205016880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5441}}^1$

素因数の和:5614

約数の個数: 80

約数和(自身を含む): 639717984

約数和(自身を除く): 434701104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 5441, 6280, 7536, 9420, 10882, 12560, 16323, 18840, 21764, 27205, 32646, 37680, 43528, 54410, 65292, 81615, 87056, 108820, 130584, 163230, 217640, 261168, 326460, 435280, 652920, 854237, 1305840, 1708474, 2562711, 3416948, 4271185, 5125422, 6833896, 8542370, 10250844, 12813555, 13667792, 17084740, 20501688, 25627110, 34169480, 41003376, 51254220, 68338960, 102508440, 205016880]

約数ペア:

[(1, 205016880), (2, 102508440), (3, 68338960), (4, 51254220), (5, 41003376), (6, 34169480), (8, 25627110), (10, 20501688), (12, 17084740), (15, 13667792), (16, 12813555), (20, 10250844), (24, 8542370), (30, 6833896), (40, 5125422), (48, 4271185), (60, 3416948), (80, 2562711), (120, 1708474), (157, 1305840), (240, 854237), (314, 652920), (471, 435280), (628, 326460), (785, 261168), (942, 217640), (1256, 163230), (1570, 130584), (1884, 108820), (2355, 87056), (2512, 81615), (3140, 65292), (3768, 54410), (4710, 43528), (5441, 37680), (6280, 32646), (7536, 27205), (9420, 21764), (10882, 18840), (12560, 16323)]