251281530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{2473}}^1$

素因数の和:3615

約数の個数: 48

約数和(自身を含む): 654175080

約数和(自身を除く): 402893550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1129, 2258, 2473, 3387, 4946, 5645, 6774, 7419, 10161, 11290, 12365, 14838, 16935, 20322, 22257, 24730, 33870, 37095, 44514, 50805, 74190, 101610, 111285, 222570, 2792017, 5584034, 8376051, 13960085, 16752102, 25128153, 27920170, 41880255, 50256306, 83760510, 125640765, 251281530]

約数ペア:

[(1, 251281530), (2, 125640765), (3, 83760510), (5, 50256306), (6, 41880255), (9, 27920170), (10, 25128153), (15, 16752102), (18, 13960085), (30, 8376051), (45, 5584034), (90, 2792017), (1129, 222570), (2258, 111285), (2473, 101610), (3387, 74190), (4946, 50805), (5645, 44514), (6774, 37095), (7419, 33870), (10161, 24730), (11290, 22257), (12365, 20322), (14838, 16935)]