2021433920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1279}}^1$

素因数の和:1756

約数の個数: 112

約数和(自身を含む): 5266944000

約数和(自身を除く): 3245510080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 449, 704, 880, 898, 1279, 1760, 1796, 2245, 2558, 3520, 3592, 4490, 4939, 5116, 6395, 7184, 8980, 9878, 10232, 12790, 14069, 14368, 17960, 19756, 20464, 24695, 25580, 28138, 28736, 35920, 39512, 40928, 49390, 51160, 56276, 70345, 71840, 79024, 81856, 98780, 102320, 112552, 140690, 143680, 158048, 197560, 204640, 225104, 281380, 316096, 395120, 409280, 450208, 562760, 574271, 790240, 900416, 1125520, 1148542, 1580480, 2251040, 2297084, 2871355, 4502080, 4594168, 5742710, 6316981, 9188336, 11485420, 12633962, 18376672, 22970840, 25267924, 31584905, 36753344, 45941680, 50535848, 63169810, 91883360, 101071696, 126339620, 183766720, 202143392, 252679240, 404286784, 505358480, 1010716960, 2021433920]

約数ペア:

[(1, 2021433920), (2, 1010716960), (4, 505358480), (5, 404286784), (8, 252679240), (10, 202143392), (11, 183766720), (16, 126339620), (20, 101071696), (22, 91883360), (32, 63169810), (40, 50535848), (44, 45941680), (55, 36753344), (64, 31584905), (80, 25267924), (88, 22970840), (110, 18376672), (160, 12633962), (176, 11485420), (220, 9188336), (320, 6316981), (352, 5742710), (440, 4594168), (449, 4502080), (704, 2871355), (880, 2297084), (898, 2251040), (1279, 1580480), (1760, 1148542), (1796, 1125520), (2245, 900416), (2558, 790240), (3520, 574271), (3592, 562760), (4490, 450208), (4939, 409280), (5116, 395120), (6395, 316096), (7184, 281380), (8980, 225104), (9878, 204640), (10232, 197560), (12790, 158048), (14069, 143680), (14368, 140690), (17960, 112552), (19756, 102320), (20464, 98780), (24695, 81856), (25580, 79024), (28138, 71840), (28736, 70345), (35920, 56276), (39512, 51160), (40928, 49390)]