66455620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3923}}^1$

素因数の和:3961

約数の個数: 72

約数和(自身を含む): 175355712

約数和(自身を除く): 108900092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3923, 4235, 7846, 8470, 15692, 16940, 19615, 27461, 39230, 43153, 54922, 78460, 86306, 109844, 137305, 172612, 215765, 274610, 302071, 431530, 474683, 549220, 604142, 863060, 949366, 1208284, 1510355, 1898732, 2373415, 3020710, 3322781, 4746830, 6041420, 6645562, 9493660, 13291124, 16613905, 33227810, 66455620]

約数ペア:

[(1, 66455620), (2, 33227810), (4, 16613905), (5, 13291124), (7, 9493660), (10, 6645562), (11, 6041420), (14, 4746830), (20, 3322781), (22, 3020710), (28, 2373415), (35, 1898732), (44, 1510355), (55, 1208284), (70, 949366), (77, 863060), (110, 604142), (121, 549220), (140, 474683), (154, 431530), (220, 302071), (242, 274610), (308, 215765), (385, 172612), (484, 137305), (605, 109844), (770, 86306), (847, 78460), (1210, 54922), (1540, 43153), (1694, 39230), (2420, 27461), (3388, 19615), (3923, 16940), (4235, 15692), (7846, 8470)]