66818840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8933}}^1$

素因数の和:8972

約数の個数: 64

約数和(自身を含む): 173676960

約数和(自身を除く): 106858120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 8933, 17866, 35732, 44665, 71464, 89330, 98263, 151861, 178660, 196526, 303722, 357320, 393052, 491315, 607444, 759305, 786104, 982630, 1214888, 1518610, 1670471, 1965260, 3037220, 3340942, 3930520, 6074440, 6681884, 8352355, 13363768, 16704710, 33409420, 66818840]

約数ペア:

[(1, 66818840), (2, 33409420), (4, 16704710), (5, 13363768), (8, 8352355), (10, 6681884), (11, 6074440), (17, 3930520), (20, 3340942), (22, 3037220), (34, 1965260), (40, 1670471), (44, 1518610), (55, 1214888), (68, 982630), (85, 786104), (88, 759305), (110, 607444), (136, 491315), (170, 393052), (187, 357320), (220, 303722), (340, 196526), (374, 178660), (440, 151861), (680, 98263), (748, 89330), (935, 71464), (1496, 44665), (1870, 35732), (3740, 17866), (7480, 8933)]