Divisors of 2970: All 32 Factors

Quick Answer

2970 has 32 divisors (factors): 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970.

Sum: 8640.

Divisors (Factors) Calculator


  Ex.: 12, 36, 100, 1024, 1728, etc.
32 divisors
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970

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 2970

The number 2970 has 32 divisors:

1,  2,  3,  5,  6,  9,  10,  11,  15,  18,  22,  27,  30,  33,  45,  54,  55,  66,  90,  99,  110,  135,  165,  198,  270,  297,  330,  495,  594,  990,  1485,  2970

Divisor Pairs of 2970

Each pair multiplies to 2970:

Factor 1×Factor 2=Product
1×2970=2970
2×1485=2970
3×990=2970
5×594=2970
6×495=2970
9×330=2970
10×297=2970
11×270=2970
15×198=2970
18×165=2970
22×135=2970
27×110=2970
30×99=2970
33×90=2970
45×66=2970
54×55=2970

Number of Divisors

The number 2970 has 32 divisors, written as τ(2970) = 32 in number theory.

Sum of Divisors

σ(2970) = 1 + 2 + 3 + 5 + 6 + 9 + 10 + 11 + 15 + 18 + 22 + 27 + 30 + 33 + 45 + 54 + 55 + 66 + 90 + 99 + 110 + 135 + 165 + 198 + 270 + 297 + 330 + 495 + 594 + 990 + 1485 + 2970 = 8640

Properties of 2970

  • 2970 is composite.
  • 2970 is not a perfect square.
  • Number of divisors: 32.
  • Sum of divisors: 8640.

Common Divisors with Another Number?

Looking for the divisors that 2970 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 2970

An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √2970 ≈ 54.50. If i divides 2970, then both i and 2970/i are divisors.

  1. 1 divides 2970 (2970 ÷ 1 = 2970) → pair (1, 2970)
  2. 2 divides 2970 (2970 ÷ 2 = 1485) → pair (2, 1485)
  3. 3 divides 2970 (2970 ÷ 3 = 990) → pair (3, 990)
  4. 5 divides 2970 (2970 ÷ 5 = 594) → pair (5, 594)
  5. 6 divides 2970 (2970 ÷ 6 = 495) → pair (6, 495)
  6. 9 divides 2970 (2970 ÷ 9 = 330) → pair (9, 330)
  7. 10 divides 2970 (2970 ÷ 10 = 297) → pair (10, 297)
  8. 11 divides 2970 (2970 ÷ 11 = 270) → pair (11, 270)
  9. 15 divides 2970 (2970 ÷ 15 = 198) → pair (15, 198)
  10. 18 divides 2970 (2970 ÷ 18 = 165) → pair (18, 165)
  11. 22 divides 2970 (2970 ÷ 22 = 135) → pair (22, 135)
  12. 27 divides 2970 (2970 ÷ 27 = 110) → pair (27, 110)
  13. 30 divides 2970 (2970 ÷ 30 = 99) → pair (30, 99)
  14. 33 divides 2970 (2970 ÷ 33 = 90) → pair (33, 90)
  15. 45 divides 2970 (2970 ÷ 45 = 66) → pair (45, 66)
  16. 54 divides 2970 (2970 ÷ 54 = 55) → pair (54, 55)
  17. Collect all unique values: {1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970} — total 32 divisors.
  18. Sum: 1 + 2 + 3 + 5 + 6 + 9 + 10 + 11 + 15 + 18 + 22 + 27 + 30 + 33 + 45 + 54 + 55 + 66 + 90 + 99 + 110 + 135 + 165 + 198 + 270 + 297 + 330 + 495 + 594 + 990 + 1485 + 2970 = 8640.

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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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