90982520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 121907080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 239, 248, 307, 310, 478, 614, 620, 956, 1195, 1228, 1240, 1535, 1912, 2390, 2456, 3070, 4780, 6140, 7409, 9517, 9560, 12280, 14818, 19034, 29636, 37045, 38068, 47585, 59272, 73373, 74090, 76136, 95170, 146746, 148180, 190340, 293492, 296360, 366865, 380680, 586984, 733730, 1467460, 2274563, 2934920, 4549126, 9098252, 11372815, 18196504, 22745630, 45491260, 90982520]

約数ペア:

[(1, 90982520), (2, 45491260), (4, 22745630), (5, 18196504), (8, 11372815), (10, 9098252), (20, 4549126), (31, 2934920), (40, 2274563), (62, 1467460), (124, 733730), (155, 586984), (239, 380680), (248, 366865), (307, 296360), (310, 293492), (478, 190340), (614, 148180), (620, 146746), (956, 95170), (1195, 76136), (1228, 74090), (1240, 73373), (1535, 59272), (1912, 47585), (2390, 38068), (2456, 37045), (3070, 29636), (4780, 19034), (6140, 14818), (7409, 12280), (9517, 9560)]