85555620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 260365560

約数和(自身を除く): 174809940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1129, 1263, 1684, 2105, 2258, 2526, 3387, 3789, 4210, 4516, 5052, 5645, 6315, 6774, 7578, 8420, 10161, 11290, 12630, 13548, 15156, 16935, 18945, 20322, 22580, 25260, 33870, 37890, 40644, 50805, 67740, 75780, 101610, 203220, 475309, 950618, 1425927, 1901236, 2376545, 2851854, 4277781, 4753090, 5703708, 7129635, 8555562, 9506180, 14259270, 17111124, 21388905, 28518540, 42777810, 85555620]

約数ペア:

[(1, 85555620), (2, 42777810), (3, 28518540), (4, 21388905), (5, 17111124), (6, 14259270), (9, 9506180), (10, 8555562), (12, 7129635), (15, 5703708), (18, 4753090), (20, 4277781), (30, 2851854), (36, 2376545), (45, 1901236), (60, 1425927), (90, 950618), (180, 475309), (421, 203220), (842, 101610), (1129, 75780), (1263, 67740), (1684, 50805), (2105, 40644), (2258, 37890), (2526, 33870), (3387, 25260), (3789, 22580), (4210, 20322), (4516, 18945), (5052, 16935), (5645, 15156), (6315, 13548), (6774, 12630), (7578, 11290), (8420, 10161)]