64442180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 153726720

約数和(自身を除く): 89284540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 859, 1210, 1364, 1705, 1718, 2420, 3410, 3436, 3751, 4295, 6820, 7502, 8590, 9449, 15004, 17180, 18755, 18898, 26629, 37510, 37796, 47245, 53258, 75020, 94490, 103939, 106516, 133145, 188980, 207878, 266290, 292919, 415756, 519695, 532580, 585838, 1039390, 1171676, 1464595, 2078780, 2929190, 3222109, 5858380, 6444218, 12888436, 16110545, 32221090, 64442180]

約数ペア:

[(1, 64442180), (2, 32221090), (4, 16110545), (5, 12888436), (10, 6444218), (11, 5858380), (20, 3222109), (22, 2929190), (31, 2078780), (44, 1464595), (55, 1171676), (62, 1039390), (110, 585838), (121, 532580), (124, 519695), (155, 415756), (220, 292919), (242, 266290), (310, 207878), (341, 188980), (484, 133145), (605, 106516), (620, 103939), (682, 94490), (859, 75020), (1210, 53258), (1364, 47245), (1705, 37796), (1718, 37510), (2420, 26629), (3410, 18898), (3436, 18755), (3751, 17180), (4295, 15004), (6820, 9449), (7502, 8590)]