31009380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5807}}^1$

素因数の和:5908

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 56807580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 5807, 11614, 17421, 23228, 29035, 34842, 58070, 69684, 87105, 116140, 174210, 348420, 516823, 1033646, 1550469, 2067292, 2584115, 3100938, 5168230, 6201876, 7752345, 10336460, 15504690, 31009380]

約数ペア:

[(1, 31009380), (2, 15504690), (3, 10336460), (4, 7752345), (5, 6201876), (6, 5168230), (10, 3100938), (12, 2584115), (15, 2067292), (20, 1550469), (30, 1033646), (60, 516823), (89, 348420), (178, 174210), (267, 116140), (356, 87105), (445, 69684), (534, 58070), (890, 34842), (1068, 29035), (1335, 23228), (1780, 17421), (2670, 11614), (5340, 5807)]