87919380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488441}}^1$

素因数の和:488456

約数の個数: 36

約数和(自身を含む): 266689332

約数和(自身を除く): 178769952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488441, 976882, 1465323, 1953764, 2442205, 2930646, 4395969, 4884410, 5861292, 7326615, 8791938, 9768820, 14653230, 17583876, 21979845, 29306460, 43959690, 87919380]

約数ペア:

[(1, 87919380), (2, 43959690), (3, 29306460), (4, 21979845), (5, 17583876), (6, 14653230), (9, 9768820), (10, 8791938), (12, 7326615), (15, 5861292), (18, 4884410), (20, 4395969), (30, 2930646), (36, 2442205), (45, 1953764), (60, 1465323), (90, 976882), (180, 488441)]