31315620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74561}}^1$

素因数の和:74580

約数の個数: 48

約数和(自身を含む): 100211328

約数和(自身を除く): 68895708

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, 74561, 149122, 223683, 298244, 372805, 447366, 521927, 745610, 894732, 1043854, 1118415, 1491220, 1565781, 2087708, 2236830, 2609635, 3131562, 4473660, 5219270, 6263124, 7828905, 10438540, 15657810, 31315620]

約数ペア:

[(1, 31315620), (2, 15657810), (3, 10438540), (4, 7828905), (5, 6263124), (6, 5219270), (7, 4473660), (10, 3131562), (12, 2609635), (14, 2236830), (15, 2087708), (20, 1565781), (21, 1491220), (28, 1118415), (30, 1043854), (35, 894732), (42, 745610), (60, 521927), (70, 447366), (84, 372805), (105, 298244), (140, 223683), (210, 149122), (420, 74561)]