Divisors of 12240: All 60 Factors

Quick Answer

12240 has 60 divisors (factors): 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240.

Sum: 43524.

Divisors (Factors) Calculator


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60 divisors
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240

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 12240

The number 12240 has 60 divisors:

1,  2,  3,  4,  5,  6,  8,  9,  10,  12,  15,  16,  17,  18,  20,  24,  30,  34,  36,  40,  45,  48,  51,  60,  68,  72,  80,  85,  90,  102,  120,  136,  144,  153,  170,  180,  204,  240,  255,  272,  306,  340,  360,  408,  510,  612,  680,  720,  765,  816,  1020,  1224,  1360,  1530,  2040,  2448,  3060,  4080,  6120,  12240

Divisor Pairs of 12240

Each pair multiplies to 12240:

Factor 1×Factor 2=Product
1×12240=12240
2×6120=12240
3×4080=12240
4×3060=12240
5×2448=12240
6×2040=12240
8×1530=12240
9×1360=12240
10×1224=12240
12×1020=12240
15×816=12240
16×765=12240
17×720=12240
18×680=12240
20×612=12240
24×510=12240
30×408=12240
34×360=12240
36×340=12240
40×306=12240
45×272=12240
48×255=12240
51×240=12240
60×204=12240
68×180=12240
72×170=12240
80×153=12240
85×144=12240
90×136=12240
102×120=12240

Number of Divisors

The number 12240 has 60 divisors, written as τ(12240) = 60 in number theory.

Sum of Divisors

σ(12240) = 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 12 + 15 + 16 + 17 + 18 + 20 + 24 + 30 + 34 + 36 + 40 + 45 + 48 + 51 + 60 + 68 + 72 + 80 + 85 + 90 + 102 + 120 + 136 + 144 + 153 + 170 + 180 + 204 + 240 + 255 + 272 + 306 + 340 + 360 + 408 + 510 + 612 + 680 + 720 + 765 + 816 + 1020 + 1224 + 1360 + 1530 + 2040 + 2448 + 3060 + 4080 + 6120 + 12240 = 43524

Properties of 12240

  • 12240 is composite.
  • 12240 is not a perfect square.
  • Number of divisors: 60.
  • Sum of divisors: 43524.

Common Divisors with Another Number?

Looking for the divisors that 12240 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 12240

An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √12240 ≈ 110.63. If i divides 12240, then both i and 12240/i are divisors.

  1. 1 divides 12240 (12240 ÷ 1 = 12240) → pair (1, 12240)
  2. 2 divides 12240 (12240 ÷ 2 = 6120) → pair (2, 6120)
  3. 3 divides 12240 (12240 ÷ 3 = 4080) → pair (3, 4080)
  4. 4 divides 12240 (12240 ÷ 4 = 3060) → pair (4, 3060)
  5. 5 divides 12240 (12240 ÷ 5 = 2448) → pair (5, 2448)
  6. 6 divides 12240 (12240 ÷ 6 = 2040) → pair (6, 2040)
  7. 8 divides 12240 (12240 ÷ 8 = 1530) → pair (8, 1530)
  8. 9 divides 12240 (12240 ÷ 9 = 1360) → pair (9, 1360)
  9. 10 divides 12240 (12240 ÷ 10 = 1224) → pair (10, 1224)
  10. 12 divides 12240 (12240 ÷ 12 = 1020) → pair (12, 1020)
  11. 15 divides 12240 (12240 ÷ 15 = 816) → pair (15, 816)
  12. 16 divides 12240 (12240 ÷ 16 = 765) → pair (16, 765)
  13. 17 divides 12240 (12240 ÷ 17 = 720) → pair (17, 720)
  14. 18 divides 12240 (12240 ÷ 18 = 680) → pair (18, 680)
  15. 20 divides 12240 (12240 ÷ 20 = 612) → pair (20, 612)
  16. 24 divides 12240 (12240 ÷ 24 = 510) → pair (24, 510)
  17. 30 divides 12240 (12240 ÷ 30 = 408) → pair (30, 408)
  18. 34 divides 12240 (12240 ÷ 34 = 360) → pair (34, 360)
  19. 36 divides 12240 (12240 ÷ 36 = 340) → pair (36, 340)
  20. 40 divides 12240 (12240 ÷ 40 = 306) → pair (40, 306)
  21. 45 divides 12240 (12240 ÷ 45 = 272) → pair (45, 272)
  22. 48 divides 12240 (12240 ÷ 48 = 255) → pair (48, 255)
  23. 51 divides 12240 (12240 ÷ 51 = 240) → pair (51, 240)
  24. 60 divides 12240 (12240 ÷ 60 = 204) → pair (60, 204)
  25. 68 divides 12240 (12240 ÷ 68 = 180) → pair (68, 180)
  26. 72 divides 12240 (12240 ÷ 72 = 170) → pair (72, 170)
  27. 80 divides 12240 (12240 ÷ 80 = 153) → pair (80, 153)
  28. 85 divides 12240 (12240 ÷ 85 = 144) → pair (85, 144)
  29. 90 divides 12240 (12240 ÷ 90 = 136) → pair (90, 136)
  30. 102 divides 12240 (12240 ÷ 102 = 120) → pair (102, 120)
  31. Collect all unique values: {1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240} — total 60 divisors.
  32. Sum: 1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 12 + 15 + 16 + 17 + 18 + 20 + 24 + 30 + 34 + 36 + 40 + 45 + 48 + 51 + 60 + 68 + 72 + 80 + 85 + 90 + 102 + 120 + 136 + 144 + 153 + 170 + 180 + 204 + 240 + 255 + 272 + 306 + 340 + 360 + 408 + 510 + 612 + 680 + 720 + 765 + 816 + 1020 + 1224 + 1360 + 1530 + 2040 + 2448 + 3060 + 4080 + 6120 + 12240 = 43524.

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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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