Divisors of 3960: All 48 Factors

Quick Answer

3960 has 48 divisors (factors): 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960.

Sum: 14040.

Divisors (Factors) Calculator


  Ex.: 12, 36, 100, 1024, 1728, etc.
48 divisors
1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960

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 3960

The number 3960 has 48 divisors:

1,  2,  3,  4,  5,  6,  8,  9,  10,  11,  12,  15,  18,  20,  22,  24,  30,  33,  36,  40,  44,  45,  55,  60,  66,  72,  88,  90,  99,  110,  120,  132,  165,  180,  198,  220,  264,  330,  360,  396,  440,  495,  660,  792,  990,  1320,  1980,  3960

Divisor Pairs of 3960

Each pair multiplies to 3960:

Factor 1×Factor 2=Product
1×3960=3960
2×1980=3960
3×1320=3960
4×990=3960
5×792=3960
6×660=3960
8×495=3960
9×440=3960
10×396=3960
11×360=3960
12×330=3960
15×264=3960
18×220=3960
20×198=3960
22×180=3960
24×165=3960
30×132=3960
33×120=3960
36×110=3960
40×99=3960
44×90=3960
45×88=3960
55×72=3960
60×66=3960

Number of Divisors

The number 3960 has 48 divisors, written as τ(3960) = 48 in number theory.

Sum of Divisors

σ(3960) = 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 11 + 12 + 15 + 18 + 20 + 22 + 24 + 30 + 33 + 36 + 40 + 44 + 45 + 55 + 60 + 66 + 72 + 88 + 90 + 99 + 110 + 120 + 132 + 165 + 180 + 198 + 220 + 264 + 330 + 360 + 396 + 440 + 495 + 660 + 792 + 990 + 1320 + 1980 + 3960 = 14040

Properties of 3960

  • 3960 is composite.
  • 3960 is not a perfect square.
  • Number of divisors: 48.
  • Sum of divisors: 14040.

Common Divisors with Another Number?

Looking for the divisors that 3960 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 3960

An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √3960 ≈ 62.93. If i divides 3960, then both i and 3960/i are divisors.

  1. 1 divides 3960 (3960 ÷ 1 = 3960) → pair (1, 3960)
  2. 2 divides 3960 (3960 ÷ 2 = 1980) → pair (2, 1980)
  3. 3 divides 3960 (3960 ÷ 3 = 1320) → pair (3, 1320)
  4. 4 divides 3960 (3960 ÷ 4 = 990) → pair (4, 990)
  5. 5 divides 3960 (3960 ÷ 5 = 792) → pair (5, 792)
  6. 6 divides 3960 (3960 ÷ 6 = 660) → pair (6, 660)
  7. 8 divides 3960 (3960 ÷ 8 = 495) → pair (8, 495)
  8. 9 divides 3960 (3960 ÷ 9 = 440) → pair (9, 440)
  9. 10 divides 3960 (3960 ÷ 10 = 396) → pair (10, 396)
  10. 11 divides 3960 (3960 ÷ 11 = 360) → pair (11, 360)
  11. 12 divides 3960 (3960 ÷ 12 = 330) → pair (12, 330)
  12. 15 divides 3960 (3960 ÷ 15 = 264) → pair (15, 264)
  13. 18 divides 3960 (3960 ÷ 18 = 220) → pair (18, 220)
  14. 20 divides 3960 (3960 ÷ 20 = 198) → pair (20, 198)
  15. 22 divides 3960 (3960 ÷ 22 = 180) → pair (22, 180)
  16. 24 divides 3960 (3960 ÷ 24 = 165) → pair (24, 165)
  17. 30 divides 3960 (3960 ÷ 30 = 132) → pair (30, 132)
  18. 33 divides 3960 (3960 ÷ 33 = 120) → pair (33, 120)
  19. 36 divides 3960 (3960 ÷ 36 = 110) → pair (36, 110)
  20. 40 divides 3960 (3960 ÷ 40 = 99) → pair (40, 99)
  21. 44 divides 3960 (3960 ÷ 44 = 90) → pair (44, 90)
  22. 45 divides 3960 (3960 ÷ 45 = 88) → pair (45, 88)
  23. 55 divides 3960 (3960 ÷ 55 = 72) → pair (55, 72)
  24. 60 divides 3960 (3960 ÷ 60 = 66) → pair (60, 66)
  25. Collect all unique values: {1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960} — total 48 divisors.
  26. Sum: 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 11 + 12 + 15 + 18 + 20 + 22 + 24 + 30 + 33 + 36 + 40 + 44 + 45 + 55 + 60 + 66 + 72 + 88 + 90 + 99 + 110 + 120 + 132 + 165 + 180 + 198 + 220 + 264 + 330 + 360 + 396 + 440 + 495 + 660 + 792 + 990 + 1320 + 1980 + 3960 = 14040.

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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.

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