68638140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{381323}}^1$

素因数の和:381338

約数の個数: 36

約数和(自身を含む): 208202904

約数和(自身を除く): 139564764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 381323, 762646, 1143969, 1525292, 1906615, 2287938, 3431907, 3813230, 4575876, 5719845, 6863814, 7626460, 11439690, 13727628, 17159535, 22879380, 34319070, 68638140]

約数ペア:

[(1, 68638140), (2, 34319070), (3, 22879380), (4, 17159535), (5, 13727628), (6, 11439690), (9, 7626460), (10, 6863814), (12, 5719845), (15, 4575876), (18, 3813230), (20, 3431907), (30, 2287938), (36, 1906615), (45, 1525292), (60, 1143969), (90, 762646), (180, 381323)]