64595880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19937}}^1$

素因数の和:19960

約数の個数: 80

約数和(自身を含む): 217124820

約数和(自身を除く): 152528940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19937, 39874, 59811, 79748, 99685, 119622, 159496, 179433, 199370, 239244, 299055, 358866, 398740, 478488, 538299, 598110, 717732, 797480, 897165, 1076598, 1196220, 1435464, 1614897, 1794330, 2153196, 2392440, 2691495, 3229794, 3588660, 4306392, 5382990, 6459588, 7177320, 8074485, 10765980, 12919176, 16148970, 21531960, 32297940, 64595880]

約数ペア:

[(1, 64595880), (2, 32297940), (3, 21531960), (4, 16148970), (5, 12919176), (6, 10765980), (8, 8074485), (9, 7177320), (10, 6459588), (12, 5382990), (15, 4306392), (18, 3588660), (20, 3229794), (24, 2691495), (27, 2392440), (30, 2153196), (36, 1794330), (40, 1614897), (45, 1435464), (54, 1196220), (60, 1076598), (72, 897165), (81, 797480), (90, 717732), (108, 598110), (120, 538299), (135, 478488), (162, 398740), (180, 358866), (216, 299055), (270, 239244), (324, 199370), (360, 179433), (405, 159496), (540, 119622), (648, 99685), (810, 79748), (1080, 59811), (1620, 39874), (3240, 19937)]