90657640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 212751360

約数和(自身を除く): 122093720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 647, 904, 1130, 1240, 1294, 2260, 2588, 3235, 3503, 4520, 5176, 6470, 7006, 12940, 14012, 17515, 20057, 25880, 28024, 35030, 40114, 70060, 73111, 80228, 100285, 140120, 146222, 160456, 200570, 292444, 365555, 401140, 584888, 731110, 802280, 1462220, 2266441, 2924440, 4532882, 9065764, 11332205, 18131528, 22664410, 45328820, 90657640]

約数ペア:

[(1, 90657640), (2, 45328820), (4, 22664410), (5, 18131528), (8, 11332205), (10, 9065764), (20, 4532882), (31, 2924440), (40, 2266441), (62, 1462220), (113, 802280), (124, 731110), (155, 584888), (226, 401140), (248, 365555), (310, 292444), (452, 200570), (565, 160456), (620, 146222), (647, 140120), (904, 100285), (1130, 80228), (1240, 73111), (1294, 70060), (2260, 40114), (2588, 35030), (3235, 28024), (3503, 25880), (4520, 20057), (5176, 17515), (6470, 14012), (7006, 12940)]