90655160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 217900800

約数和(自身を除く): 127245640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 2521, 3596, 4495, 5042, 7192, 8990, 10084, 12605, 17980, 20168, 25210, 35960, 50420, 73109, 78151, 100840, 146218, 156302, 292436, 312604, 365545, 390755, 584872, 625208, 731090, 781510, 1462180, 1563020, 2266379, 2924360, 3126040, 4532758, 9065516, 11331895, 18131032, 22663790, 45327580, 90655160]

約数ペア:

[(1, 90655160), (2, 45327580), (4, 22663790), (5, 18131032), (8, 11331895), (10, 9065516), (20, 4532758), (29, 3126040), (31, 2924360), (40, 2266379), (58, 1563020), (62, 1462180), (116, 781510), (124, 731090), (145, 625208), (155, 584872), (232, 390755), (248, 365545), (290, 312604), (310, 292436), (580, 156302), (620, 146218), (899, 100840), (1160, 78151), (1240, 73109), (1798, 50420), (2521, 35960), (3596, 25210), (4495, 20168), (5042, 17980), (7192, 12605), (8990, 10084)]