87901680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 273402144

約数和(自身を除く): 185500464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 677, 1082, 1354, 1623, 2031, 2164, 2705, 2708, 3246, 3385, 4062, 4328, 5410, 5416, 6492, 6770, 8115, 8124, 8656, 10155, 10820, 10832, 12984, 13540, 16230, 16248, 20310, 21640, 25968, 27080, 32460, 32496, 40620, 43280, 54160, 64920, 81240, 129840, 162480, 366257, 732514, 1098771, 1465028, 1831285, 2197542, 2930056, 3662570, 4395084, 5493855, 5860112, 7325140, 8790168, 10987710, 14650280, 17580336, 21975420, 29300560, 43950840, 87901680]

約数ペア:

[(1, 87901680), (2, 43950840), (3, 29300560), (4, 21975420), (5, 17580336), (6, 14650280), (8, 10987710), (10, 8790168), (12, 7325140), (15, 5860112), (16, 5493855), (20, 4395084), (24, 3662570), (30, 2930056), (40, 2197542), (48, 1831285), (60, 1465028), (80, 1098771), (120, 732514), (240, 366257), (541, 162480), (677, 129840), (1082, 81240), (1354, 64920), (1623, 54160), (2031, 43280), (2164, 40620), (2705, 32496), (2708, 32460), (3246, 27080), (3385, 25968), (4062, 21640), (4328, 20310), (5410, 16248), (5416, 16230), (6492, 13540), (6770, 12984), (8115, 10832), (8124, 10820), (8656, 10155)]