155816360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{556487}}^1$

素因数の和:556505

約数の個数: 32

約数和(自身を含む): 400671360

約数和(自身を除く): 244855000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 556487, 1112974, 2225948, 2782435, 3895409, 4451896, 5564870, 7790818, 11129740, 15581636, 19477045, 22259480, 31163272, 38954090, 77908180, 155816360]

約数ペア:

[(1, 155816360), (2, 77908180), (4, 38954090), (5, 31163272), (7, 22259480), (8, 19477045), (10, 15581636), (14, 11129740), (20, 7790818), (28, 5564870), (35, 4451896), (40, 3895409), (56, 2782435), (70, 2225948), (140, 1112974), (280, 556487)]