61244920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 151826400

約数和(自身を除く): 90581480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1277, 2180, 2398, 2554, 4360, 4796, 5108, 5995, 6385, 9592, 10216, 11990, 12770, 14047, 23980, 25540, 28094, 47960, 51080, 56188, 70235, 112376, 139193, 140470, 278386, 280940, 556772, 561880, 695965, 1113544, 1391930, 1531123, 2783860, 3062246, 5567720, 6124492, 7655615, 12248984, 15311230, 30622460, 61244920]

約数ペア:

[(1, 61244920), (2, 30622460), (4, 15311230), (5, 12248984), (8, 7655615), (10, 6124492), (11, 5567720), (20, 3062246), (22, 2783860), (40, 1531123), (44, 1391930), (55, 1113544), (88, 695965), (109, 561880), (110, 556772), (218, 280940), (220, 278386), (436, 140470), (440, 139193), (545, 112376), (872, 70235), (1090, 56188), (1199, 51080), (1277, 47960), (2180, 28094), (2398, 25540), (2554, 23980), (4360, 14047), (4796, 12770), (5108, 11990), (5995, 10216), (6385, 9592)]