72431760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3391}}^1$

素因数の和:3496

約数の個数: 80

約数和(自身を含む): 227128320

約数和(自身を除く): 154696560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3391, 3560, 4272, 5340, 6782, 7120, 10173, 10680, 13564, 16955, 20346, 21360, 27128, 33910, 40692, 50865, 54256, 67820, 81384, 101730, 135640, 162768, 203460, 271280, 301799, 406920, 603598, 813840, 905397, 1207196, 1508995, 1810794, 2414392, 3017990, 3621588, 4526985, 4828784, 6035980, 7243176, 9053970, 12071960, 14486352, 18107940, 24143920, 36215880, 72431760]

約数ペア:

[(1, 72431760), (2, 36215880), (3, 24143920), (4, 18107940), (5, 14486352), (6, 12071960), (8, 9053970), (10, 7243176), (12, 6035980), (15, 4828784), (16, 4526985), (20, 3621588), (24, 3017990), (30, 2414392), (40, 1810794), (48, 1508995), (60, 1207196), (80, 905397), (89, 813840), (120, 603598), (178, 406920), (240, 301799), (267, 271280), (356, 203460), (445, 162768), (534, 135640), (712, 101730), (890, 81384), (1068, 67820), (1335, 54256), (1424, 50865), (1780, 40692), (2136, 33910), (2670, 27128), (3391, 21360), (3560, 20346), (4272, 16955), (5340, 13564), (6782, 10680), (7120, 10173)]