68047720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 166561920

約数和(自身を除く): 98514200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1223, 1391, 2140, 2446, 2782, 4280, 4892, 5564, 6115, 6955, 9784, 11128, 12230, 13910, 15899, 24460, 27820, 31798, 48920, 55640, 63596, 79495, 127192, 130861, 158990, 261722, 317980, 523444, 635960, 654305, 1046888, 1308610, 1701193, 2617220, 3402386, 5234440, 6804772, 8505965, 13609544, 17011930, 34023860, 68047720]

約数ペア:

[(1, 68047720), (2, 34023860), (4, 17011930), (5, 13609544), (8, 8505965), (10, 6804772), (13, 5234440), (20, 3402386), (26, 2617220), (40, 1701193), (52, 1308610), (65, 1046888), (104, 654305), (107, 635960), (130, 523444), (214, 317980), (260, 261722), (428, 158990), (520, 130861), (535, 127192), (856, 79495), (1070, 63596), (1223, 55640), (1391, 48920), (2140, 31798), (2446, 27820), (2782, 24460), (4280, 15899), (4892, 13910), (5564, 12230), (6115, 11128), (6955, 9784)]