87215960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{937}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 212738400

約数和(自身を除く): 125522440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 716, 895, 937, 1432, 1790, 1874, 2327, 3580, 3748, 4654, 4685, 7160, 7496, 9308, 9370, 11635, 12181, 18616, 18740, 23270, 24362, 37480, 46540, 48724, 60905, 93080, 97448, 121810, 167723, 243620, 335446, 487240, 670892, 838615, 1341784, 1677230, 2180399, 3354460, 4360798, 6708920, 8721596, 10901995, 17443192, 21803990, 43607980, 87215960]

約数ペア:

[(1, 87215960), (2, 43607980), (4, 21803990), (5, 17443192), (8, 10901995), (10, 8721596), (13, 6708920), (20, 4360798), (26, 3354460), (40, 2180399), (52, 1677230), (65, 1341784), (104, 838615), (130, 670892), (179, 487240), (260, 335446), (358, 243620), (520, 167723), (716, 121810), (895, 97448), (937, 93080), (1432, 60905), (1790, 48724), (1874, 46540), (2327, 37480), (3580, 24362), (3748, 23270), (4654, 18740), (4685, 18616), (7160, 12181), (7496, 11635), (9308, 9370)]