64624840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 166872960

約数和(自身を除く): 102248120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 521, 886, 1042, 1772, 2084, 2215, 2605, 3101, 3544, 3647, 4168, 4430, 5210, 6202, 7294, 8860, 10420, 12404, 14588, 15505, 17720, 18235, 20840, 24808, 29176, 31010, 36470, 62020, 72940, 124040, 145880, 230803, 461606, 923212, 1154015, 1615621, 1846424, 2308030, 3231242, 4616060, 6462484, 8078105, 9232120, 12924968, 16156210, 32312420, 64624840]

約数ペア:

[(1, 64624840), (2, 32312420), (4, 16156210), (5, 12924968), (7, 9232120), (8, 8078105), (10, 6462484), (14, 4616060), (20, 3231242), (28, 2308030), (35, 1846424), (40, 1615621), (56, 1154015), (70, 923212), (140, 461606), (280, 230803), (443, 145880), (521, 124040), (886, 72940), (1042, 62020), (1772, 36470), (2084, 31010), (2215, 29176), (2605, 24808), (3101, 20840), (3544, 18235), (3647, 17720), (4168, 15505), (4430, 14588), (5210, 12404), (6202, 10420), (7294, 8860)]