9881080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 25699680

約数和(自身を除く): 15818600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1321, 1496, 1870, 2642, 3740, 5284, 6605, 7480, 10568, 13210, 14531, 22457, 26420, 29062, 44914, 52840, 58124, 72655, 89828, 112285, 116248, 145310, 179656, 224570, 247027, 290620, 449140, 494054, 581240, 898280, 988108, 1235135, 1976216, 2470270, 4940540, 9881080]

約数ペア:

[(1, 9881080), (2, 4940540), (4, 2470270), (5, 1976216), (8, 1235135), (10, 988108), (11, 898280), (17, 581240), (20, 494054), (22, 449140), (34, 290620), (40, 247027), (44, 224570), (55, 179656), (68, 145310), (85, 116248), (88, 112285), (110, 89828), (136, 72655), (170, 58124), (187, 52840), (220, 44914), (340, 29062), (374, 26420), (440, 22457), (680, 14531), (748, 13210), (935, 10568), (1321, 7480), (1496, 6605), (1870, 5284), (2642, 3740)]