219991440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21317}}^1$

素因数の和:21376

約数の個数: 80

約数和(自身を含む): 697866048

約数和(自身を除く): 477874608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 21317, 42634, 63951, 85268, 106585, 127902, 170536, 213170, 255804, 319755, 341072, 426340, 511608, 639510, 852680, 916631, 1023216, 1279020, 1705360, 1833262, 2558040, 2749893, 3666524, 4583155, 5116080, 5499786, 7333048, 9166310, 10999572, 13749465, 14666096, 18332620, 21999144, 27498930, 36665240, 43998288, 54997860, 73330480, 109995720, 219991440]

約数ペア:

[(1, 219991440), (2, 109995720), (3, 73330480), (4, 54997860), (5, 43998288), (6, 36665240), (8, 27498930), (10, 21999144), (12, 18332620), (15, 14666096), (16, 13749465), (20, 10999572), (24, 9166310), (30, 7333048), (40, 5499786), (43, 5116080), (48, 4583155), (60, 3666524), (80, 2749893), (86, 2558040), (120, 1833262), (129, 1705360), (172, 1279020), (215, 1023216), (240, 916631), (258, 852680), (344, 639510), (430, 511608), (516, 426340), (645, 341072), (688, 319755), (860, 255804), (1032, 213170), (1290, 170536), (1720, 127902), (2064, 106585), (2580, 85268), (3440, 63951), (5160, 42634), (10320, 21317)]