660745920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{688277}}^1$

素因数の和:688297

約数の個数: 56

約数和(自身を含む): 2097871344

約数和(自身を除く): 1437125424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 688277, 1376554, 2064831, 2753108, 3441385, 4129662, 5506216, 6882770, 8259324, 10324155, 11012432, 13765540, 16518648, 20648310, 22024864, 27531080, 33037296, 41296620, 44049728, 55062160, 66074592, 82593240, 110124320, 132149184, 165186480, 220248640, 330372960, 660745920]

約数ペア:

[(1, 660745920), (2, 330372960), (3, 220248640), (4, 165186480), (5, 132149184), (6, 110124320), (8, 82593240), (10, 66074592), (12, 55062160), (15, 44049728), (16, 41296620), (20, 33037296), (24, 27531080), (30, 22024864), (32, 20648310), (40, 16518648), (48, 13765540), (60, 11012432), (64, 10324155), (80, 8259324), (96, 6882770), (120, 5506216), (160, 4129662), (192, 3441385), (240, 2753108), (320, 2064831), (480, 1376554), (960, 688277)]