257706180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49369}}^1$

素因数の和:49413

約数の個数: 72

約数和(自身を含む): 808680600

約数和(自身を除く): 550974420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 49369, 98738, 148107, 197476, 246845, 296214, 444321, 493690, 592428, 740535, 888642, 987380, 1431701, 1481070, 1777284, 2221605, 2863402, 2962140, 4295103, 4443210, 5726804, 7158505, 8590206, 8886420, 12885309, 14317010, 17180412, 21475515, 25770618, 28634020, 42951030, 51541236, 64426545, 85902060, 128853090, 257706180]

約数ペア:

[(1, 257706180), (2, 128853090), (3, 85902060), (4, 64426545), (5, 51541236), (6, 42951030), (9, 28634020), (10, 25770618), (12, 21475515), (15, 17180412), (18, 14317010), (20, 12885309), (29, 8886420), (30, 8590206), (36, 7158505), (45, 5726804), (58, 4443210), (60, 4295103), (87, 2962140), (90, 2863402), (116, 2221605), (145, 1777284), (174, 1481070), (180, 1431701), (261, 987380), (290, 888642), (348, 740535), (435, 592428), (522, 493690), (580, 444321), (870, 296214), (1044, 246845), (1305, 197476), (1740, 148107), (2610, 98738), (5220, 49369)]