640901568

素因数分解:

$2^6\times 3^1\times {\mathrm{37}}^1\times {\mathrm{90217}}^1$

素因数の和:90269

約数の個数: 56

約数和(自身を含む): 1741568272

約数和(自身を除く): 1100666704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 148, 192, 222, 296, 444, 592, 888, 1184, 1776, 2368, 3552, 7104, 90217, 180434, 270651, 360868, 541302, 721736, 1082604, 1443472, 2165208, 2886944, 3338029, 4330416, 5773888, 6676058, 8660832, 10014087, 13352116, 17321664, 20028174, 26704232, 40056348, 53408464, 80112696, 106816928, 160225392, 213633856, 320450784, 640901568]

約数ペア:

[(1, 640901568), (2, 320450784), (3, 213633856), (4, 160225392), (6, 106816928), (8, 80112696), (12, 53408464), (16, 40056348), (24, 26704232), (32, 20028174), (37, 17321664), (48, 13352116), (64, 10014087), (74, 8660832), (96, 6676058), (111, 5773888), (148, 4330416), (192, 3338029), (222, 2886944), (296, 2165208), (444, 1443472), (592, 1082604), (888, 721736), (1184, 541302), (1776, 360868), (2368, 270651), (3552, 180434), (7104, 90217)]