648082160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43321}}^1$

素因数の和:43362

約数の個数: 80

約数和(自身を含む): 1740504672

約数和(自身を除く): 1092422512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 43321, 86642, 173284, 216605, 346568, 433210, 476531, 693136, 736457, 866420, 953062, 1472914, 1732840, 1906124, 2382655, 2945828, 3465680, 3682285, 3812248, 4765310, 5891656, 7364570, 7624496, 8101027, 9530620, 11783312, 14729140, 16202054, 19061240, 29458280, 32404108, 38122480, 40505135, 58916560, 64808216, 81010270, 129616432, 162020540, 324041080, 648082160]

約数ペア:

[(1, 648082160), (2, 324041080), (4, 162020540), (5, 129616432), (8, 81010270), (10, 64808216), (11, 58916560), (16, 40505135), (17, 38122480), (20, 32404108), (22, 29458280), (34, 19061240), (40, 16202054), (44, 14729140), (55, 11783312), (68, 9530620), (80, 8101027), (85, 7624496), (88, 7364570), (110, 5891656), (136, 4765310), (170, 3812248), (176, 3682285), (187, 3465680), (220, 2945828), (272, 2382655), (340, 1906124), (374, 1732840), (440, 1472914), (680, 953062), (748, 866420), (880, 736457), (935, 693136), (1360, 476531), (1496, 433210), (1870, 346568), (2992, 216605), (3740, 173284), (7480, 86642), (14960, 43321)]