118644440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 277724160

約数和(自身を除く): 159079720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 587, 620, 652, 815, 1174, 1240, 1304, 1630, 2348, 2935, 3260, 4696, 5053, 5870, 6520, 10106, 11740, 18197, 20212, 23480, 25265, 36394, 40424, 50530, 72788, 90985, 95681, 101060, 145576, 181970, 191362, 202120, 363940, 382724, 478405, 727880, 765448, 956810, 1913620, 2966111, 3827240, 5932222, 11864444, 14830555, 23728888, 29661110, 59322220, 118644440]

約数ペア:

[(1, 118644440), (2, 59322220), (4, 29661110), (5, 23728888), (8, 14830555), (10, 11864444), (20, 5932222), (31, 3827240), (40, 2966111), (62, 1913620), (124, 956810), (155, 765448), (163, 727880), (248, 478405), (310, 382724), (326, 363940), (587, 202120), (620, 191362), (652, 181970), (815, 145576), (1174, 101060), (1240, 95681), (1304, 90985), (1630, 72788), (2348, 50530), (2935, 40424), (3260, 36394), (4696, 25265), (5053, 23480), (5870, 20212), (6520, 18197), (10106, 11740)]