68990580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383281}}^1$

素因数の和:383296

約数の個数: 36

約数和(自身を含む): 209271972

約数和(自身を除く): 140281392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383281, 766562, 1149843, 1533124, 1916405, 2299686, 3449529, 3832810, 4599372, 5749215, 6899058, 7665620, 11498430, 13798116, 17247645, 22996860, 34495290, 68990580]

約数ペア:

[(1, 68990580), (2, 34495290), (3, 22996860), (4, 17247645), (5, 13798116), (6, 11498430), (9, 7665620), (10, 6899058), (12, 5749215), (15, 4599372), (18, 3832810), (20, 3449529), (30, 2299686), (36, 1916405), (45, 1533124), (60, 1149843), (90, 766562), (180, 383281)]