123756920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15241}}^1$

素因数の和:15288

約数の個数: 64

約数和(自身を含む): 329227200

約数和(自身を除く): 205470280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 15241, 30482, 60964, 76205, 106687, 121928, 152410, 213374, 304820, 426748, 441989, 533435, 609640, 853496, 883978, 1066870, 1767956, 2133740, 2209945, 3093923, 3535912, 4267480, 4419890, 6187846, 8839780, 12375692, 15469615, 17679560, 24751384, 30939230, 61878460, 123756920]

約数ペア:

[(1, 123756920), (2, 61878460), (4, 30939230), (5, 24751384), (7, 17679560), (8, 15469615), (10, 12375692), (14, 8839780), (20, 6187846), (28, 4419890), (29, 4267480), (35, 3535912), (40, 3093923), (56, 2209945), (58, 2133740), (70, 1767956), (116, 1066870), (140, 883978), (145, 853496), (203, 609640), (232, 533435), (280, 441989), (290, 426748), (406, 304820), (580, 213374), (812, 152410), (1015, 121928), (1160, 106687), (1624, 76205), (2030, 60964), (4060, 30482), (8120, 15241)]