663835620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1580561}}^1$

素因数の和:1580580

約数の個数: 48

約数和(自身を含む): 2124275328

約数和(自身を除く): 1460439708

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, 1580561, 3161122, 4741683, 6322244, 7902805, 9483366, 11063927, 15805610, 18966732, 22127854, 23708415, 31611220, 33191781, 44255708, 47416830, 55319635, 66383562, 94833660, 110639270, 132767124, 165958905, 221278540, 331917810, 663835620]

約数ペア:

[(1, 663835620), (2, 331917810), (3, 221278540), (4, 165958905), (5, 132767124), (6, 110639270), (7, 94833660), (10, 66383562), (12, 55319635), (14, 47416830), (15, 44255708), (20, 33191781), (21, 31611220), (28, 23708415), (30, 22127854), (35, 18966732), (42, 15805610), (60, 11063927), (70, 9483366), (84, 7902805), (105, 6322244), (140, 4741683), (210, 3161122), (420, 1580561)]