80580680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 112834360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 727, 815, 1304, 1454, 1630, 2771, 2908, 3260, 3635, 5542, 5816, 6520, 7270, 11084, 12359, 13855, 14540, 22168, 24718, 27710, 29080, 49436, 55420, 61795, 98872, 110840, 118501, 123590, 237002, 247180, 474004, 494360, 592505, 948008, 1185010, 2014517, 2370020, 4029034, 4740040, 8058068, 10072585, 16116136, 20145170, 40290340, 80580680]

約数ペア:

[(1, 80580680), (2, 40290340), (4, 20145170), (5, 16116136), (8, 10072585), (10, 8058068), (17, 4740040), (20, 4029034), (34, 2370020), (40, 2014517), (68, 1185010), (85, 948008), (136, 592505), (163, 494360), (170, 474004), (326, 247180), (340, 237002), (652, 123590), (680, 118501), (727, 110840), (815, 98872), (1304, 61795), (1454, 55420), (1630, 49436), (2771, 29080), (2908, 27710), (3260, 24718), (3635, 22168), (5542, 14540), (5816, 13855), (6520, 12359), (7270, 11084)]