28518540

素因数分解:

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

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 80112480

約数和(自身を除く): 51593940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1129, 1263, 1684, 2105, 2258, 2526, 3387, 4210, 4516, 5052, 5645, 6315, 6774, 8420, 11290, 12630, 13548, 16935, 22580, 25260, 33870, 67740, 475309, 950618, 1425927, 1901236, 2376545, 2851854, 4753090, 5703708, 7129635, 9506180, 14259270, 28518540]

約数ペア:

[(1, 28518540), (2, 14259270), (3, 9506180), (4, 7129635), (5, 5703708), (6, 4753090), (10, 2851854), (12, 2376545), (15, 1901236), (20, 1425927), (30, 950618), (60, 475309), (421, 67740), (842, 33870), (1129, 25260), (1263, 22580), (1684, 16935), (2105, 13548), (2258, 12630), (2526, 11290), (3387, 8420), (4210, 6774), (4516, 6315), (5052, 5645)]