55255620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131561}}^1$

素因数の和:131580

約数の個数: 48

約数和(自身を含む): 176819328

約数和(自身を除く): 121563708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131561, 263122, 394683, 526244, 657805, 789366, 920927, 1315610, 1578732, 1841854, 1973415, 2631220, 2762781, 3683708, 3946830, 4604635, 5525562, 7893660, 9209270, 11051124, 13813905, 18418540, 27627810, 55255620]

約数ペア:

[(1, 55255620), (2, 27627810), (3, 18418540), (4, 13813905), (5, 11051124), (6, 9209270), (7, 7893660), (10, 5525562), (12, 4604635), (14, 3946830), (15, 3683708), (20, 2762781), (21, 2631220), (28, 1973415), (30, 1841854), (35, 1578732), (42, 1315610), (60, 920927), (70, 789366), (84, 657805), (105, 526244), (140, 394683), (210, 263122), (420, 131561)]