6427640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 15348960

約数和(自身を除く): 8921320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 101, 148, 172, 185, 202, 215, 296, 344, 370, 404, 430, 505, 740, 808, 860, 1010, 1480, 1591, 1720, 2020, 3182, 3737, 4040, 4343, 6364, 7474, 7955, 8686, 12728, 14948, 15910, 17372, 18685, 21715, 29896, 31820, 34744, 37370, 43430, 63640, 74740, 86860, 149480, 160691, 173720, 321382, 642764, 803455, 1285528, 1606910, 3213820, 6427640]

約数ペア:

[(1, 6427640), (2, 3213820), (4, 1606910), (5, 1285528), (8, 803455), (10, 642764), (20, 321382), (37, 173720), (40, 160691), (43, 149480), (74, 86860), (86, 74740), (101, 63640), (148, 43430), (172, 37370), (185, 34744), (202, 31820), (215, 29896), (296, 21715), (344, 18685), (370, 17372), (404, 15910), (430, 14948), (505, 12728), (740, 8686), (808, 7955), (860, 7474), (1010, 6364), (1480, 4343), (1591, 4040), (1720, 3737), (2020, 3182)]