68132240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 174363840

約数和(自身を除く): 106231600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 557, 695, 880, 1112, 1114, 1390, 1529, 2224, 2228, 2780, 2785, 3058, 4456, 5560, 5570, 6116, 6127, 7645, 8912, 11120, 11140, 12232, 12254, 15290, 22280, 24464, 24508, 30580, 30635, 44560, 49016, 61160, 61270, 77423, 98032, 122320, 122540, 154846, 245080, 309692, 387115, 490160, 619384, 774230, 851653, 1238768, 1548460, 1703306, 3096920, 3406612, 4258265, 6193840, 6813224, 8516530, 13626448, 17033060, 34066120, 68132240]

約数ペア:

[(1, 68132240), (2, 34066120), (4, 17033060), (5, 13626448), (8, 8516530), (10, 6813224), (11, 6193840), (16, 4258265), (20, 3406612), (22, 3096920), (40, 1703306), (44, 1548460), (55, 1238768), (80, 851653), (88, 774230), (110, 619384), (139, 490160), (176, 387115), (220, 309692), (278, 245080), (440, 154846), (556, 122540), (557, 122320), (695, 98032), (880, 77423), (1112, 61270), (1114, 61160), (1390, 49016), (1529, 44560), (2224, 30635), (2228, 30580), (2780, 24508), (2785, 24464), (3058, 22280), (4456, 15290), (5560, 12254), (5570, 12232), (6116, 11140), (6127, 11120), (7645, 8912)]