Divisors of 28800: All 72 Factors
Quick Answer
28800 has 72 divisors (factors): 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800.
Sum: 102765.
Divisors (Factors) Calculator
Use the calculator above to find all divisors (also called factors) of any positive integer up to 4,782,969. Beyond the divisor list, this tool also shows divisor pairs, the sum and count of divisors, prime factorization, and number properties (prime, perfect square, perfect number).
All Divisors of 28800
The number 28800 has 72 divisors:
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800
Divisor Pairs of 28800
Each pair multiplies to 28800:
| Factor 1 | × | Factor 2 | = | Product |
|---|---|---|---|---|
| 1 | × | 28800 | = | 28800 |
| 2 | × | 14400 | = | 28800 |
| 3 | × | 9600 | = | 28800 |
| 4 | × | 7200 | = | 28800 |
| 5 | × | 5760 | = | 28800 |
| 6 | × | 4800 | = | 28800 |
| 8 | × | 3600 | = | 28800 |
| 9 | × | 3200 | = | 28800 |
| 10 | × | 2880 | = | 28800 |
| 12 | × | 2400 | = | 28800 |
| 15 | × | 1920 | = | 28800 |
| 16 | × | 1800 | = | 28800 |
| 18 | × | 1600 | = | 28800 |
| 20 | × | 1440 | = | 28800 |
| 24 | × | 1200 | = | 28800 |
| 25 | × | 1152 | = | 28800 |
| 30 | × | 960 | = | 28800 |
| 32 | × | 900 | = | 28800 |
| 36 | × | 800 | = | 28800 |
| 40 | × | 720 | = | 28800 |
| 45 | × | 640 | = | 28800 |
| 48 | × | 600 | = | 28800 |
| 50 | × | 576 | = | 28800 |
| 60 | × | 480 | = | 28800 |
| 64 | × | 450 | = | 28800 |
| 72 | × | 400 | = | 28800 |
| 75 | × | 384 | = | 28800 |
| 80 | × | 360 | = | 28800 |
| 90 | × | 320 | = | 28800 |
| 96 | × | 300 | = | 28800 |
| 100 | × | 288 | = | 28800 |
| 120 | × | 240 | = | 28800 |
| 128 | × | 225 | = | 28800 |
| 144 | × | 200 | = | 28800 |
| 150 | × | 192 | = | 28800 |
| 160 | × | 180 | = | 28800 |
Number of Divisors
The number 28800 has 72 divisors, written as τ(28800) = 72 in number theory.
Sum of Divisors
σ(28800) = 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 12 + 15 + 16 + 18 + 20 + 24 + 25 + 30 + 32 + 36 + 40 + 45 + 48 + 50 + 60 + 64 + 72 + 75 + 80 + 90 + 96 + 100 + 120 + 128 + 144 + 150 + 160 + 180 + 192 + 200 + 225 + 240 + 288 + 300 + 320 + 360 + 384 + 400 + 450 + 480 + 576 + 600 + 640 + 720 + 800 + 900 + 960 + 1152 + 1200 + 1440 + 1600 + 1800 + 1920 + 2400 + 2880 + 3200 + 3600 + 4800 + 5760 + 7200 + 9600 + 14400 + 28800 = 102765
Prime Factorization of 28800
Properties of 28800
- 28800 is composite.
- 28800 is not a perfect square.
- Number of divisors: 72.
- Sum of divisors: 102765.
Common Divisors with Another Number?
Looking for the divisors that 28800 shares with another number? Use our Greatest Common Factor (GCF) calculator — it finds all common divisors and the largest one.
Step-by-Step: How to Find the Divisors of 28800
An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √28800 ≈ 169.71. If i divides 28800, then both i and 28800/i are divisors.
- 1 divides 28800 (28800 ÷ 1 = 28800) → pair (1, 28800)
- 2 divides 28800 (28800 ÷ 2 = 14400) → pair (2, 14400)
- 3 divides 28800 (28800 ÷ 3 = 9600) → pair (3, 9600)
- 4 divides 28800 (28800 ÷ 4 = 7200) → pair (4, 7200)
- 5 divides 28800 (28800 ÷ 5 = 5760) → pair (5, 5760)
- 6 divides 28800 (28800 ÷ 6 = 4800) → pair (6, 4800)
- 8 divides 28800 (28800 ÷ 8 = 3600) → pair (8, 3600)
- 9 divides 28800 (28800 ÷ 9 = 3200) → pair (9, 3200)
- 10 divides 28800 (28800 ÷ 10 = 2880) → pair (10, 2880)
- 12 divides 28800 (28800 ÷ 12 = 2400) → pair (12, 2400)
- 15 divides 28800 (28800 ÷ 15 = 1920) → pair (15, 1920)
- 16 divides 28800 (28800 ÷ 16 = 1800) → pair (16, 1800)
- 18 divides 28800 (28800 ÷ 18 = 1600) → pair (18, 1600)
- 20 divides 28800 (28800 ÷ 20 = 1440) → pair (20, 1440)
- 24 divides 28800 (28800 ÷ 24 = 1200) → pair (24, 1200)
- 25 divides 28800 (28800 ÷ 25 = 1152) → pair (25, 1152)
- 30 divides 28800 (28800 ÷ 30 = 960) → pair (30, 960)
- 32 divides 28800 (28800 ÷ 32 = 900) → pair (32, 900)
- 36 divides 28800 (28800 ÷ 36 = 800) → pair (36, 800)
- 40 divides 28800 (28800 ÷ 40 = 720) → pair (40, 720)
- 45 divides 28800 (28800 ÷ 45 = 640) → pair (45, 640)
- 48 divides 28800 (28800 ÷ 48 = 600) → pair (48, 600)
- 50 divides 28800 (28800 ÷ 50 = 576) → pair (50, 576)
- 60 divides 28800 (28800 ÷ 60 = 480) → pair (60, 480)
- 64 divides 28800 (28800 ÷ 64 = 450) → pair (64, 450)
- 72 divides 28800 (28800 ÷ 72 = 400) → pair (72, 400)
- 75 divides 28800 (28800 ÷ 75 = 384) → pair (75, 384)
- 80 divides 28800 (28800 ÷ 80 = 360) → pair (80, 360)
- 90 divides 28800 (28800 ÷ 90 = 320) → pair (90, 320)
- 96 divides 28800 (28800 ÷ 96 = 300) → pair (96, 300)
- 100 divides 28800 (28800 ÷ 100 = 288) → pair (100, 288)
- 120 divides 28800 (28800 ÷ 120 = 240) → pair (120, 240)
- 128 divides 28800 (28800 ÷ 128 = 225) → pair (128, 225)
- 144 divides 28800 (28800 ÷ 144 = 200) → pair (144, 200)
- 150 divides 28800 (28800 ÷ 150 = 192) → pair (150, 192)
- 160 divides 28800 (28800 ÷ 160 = 180) → pair (160, 180)
- Collect all unique values: {1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800} — total 72 divisors.
- Sum: 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 12 + 15 + 16 + 18 + 20 + 24 + 25 + 30 + 32 + 36 + 40 + 45 + 48 + 50 + 60 + 64 + 72 + 75 + 80 + 90 + 96 + 100 + 120 + 128 + 144 + 150 + 160 + 180 + 192 + 200 + 225 + 240 + 288 + 300 + 320 + 360 + 384 + 400 + 450 + 480 + 576 + 600 + 640 + 720 + 800 + 900 + 960 + 1152 + 1200 + 1440 + 1600 + 1800 + 1920 + 2400 + 2880 + 3200 + 3600 + 4800 + 5760 + 7200 + 9600 + 14400 + 28800 = 102765.
Nearby Examples
Related Operations for 28800
- Multiples of a Number — "outward" complement of divisors
- 28800 Prime Factorization — decompose into prime building blocks
- Find GCF of 28800 and another number
- Find LCM of 28800 and another number
- Is 28800 a perfect square? (odd divisor count ⇔ yes)
See also our tables of divisors:
What Is a Divisor?
A divisor (also called a factor) of a positive integer n is any positive integer d such that n ÷ d has no remainder. In other words, d divides n evenly.
Every positive integer n has at least two divisors: 1 and n itself (with 1 being the trivial case of having only itself). Numbers with exactly 2 divisors are prime; numbers with 3 or more divisors are composite.
Why use this calculator? Beyond just listing divisors, this tool computes the sum σ(n), the count τ(n), prime factorization, divisor pairs (useful for visual learners and factoring problems), and detects whether n is a prime, a perfect square, or a perfect number.
Divisors Calculation Examples
Find all divisors of these numbers:
Related Calculators
- Multiples of a Number — "outward" complement
- Prime Factorization — product of prime divisors
- Greatest Common Factor (GCF) — largest common divisor of 2+ numbers
- Least Common Multiple (LCM) — smallest common multiple
- Is N a Perfect Square? — odd divisor count check