68982660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2441}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 210666456

約数和(自身を除く): 141683796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2441, 2826, 3140, 4710, 4882, 5652, 7065, 7323, 9420, 9764, 12205, 14130, 14646, 21969, 24410, 28260, 29292, 36615, 43938, 48820, 73230, 87876, 109845, 146460, 219690, 383237, 439380, 766474, 1149711, 1532948, 1916185, 2299422, 3449133, 3832370, 4598844, 5748555, 6898266, 7664740, 11497110, 13796532, 17245665, 22994220, 34491330, 68982660]

約数ペア:

[(1, 68982660), (2, 34491330), (3, 22994220), (4, 17245665), (5, 13796532), (6, 11497110), (9, 7664740), (10, 6898266), (12, 5748555), (15, 4598844), (18, 3832370), (20, 3449133), (30, 2299422), (36, 1916185), (45, 1532948), (60, 1149711), (90, 766474), (157, 439380), (180, 383237), (314, 219690), (471, 146460), (628, 109845), (785, 87876), (942, 73230), (1413, 48820), (1570, 43938), (1884, 36615), (2355, 29292), (2441, 28260), (2826, 24410), (3140, 21969), (4710, 14646), (4882, 14130), (5652, 12205), (7065, 9764), (7323, 9420)]