1557114320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{2351}}^1$

素因数の和:2868

約数の個数: 80

約数和(自身を含む): 3842754048

約数和(自身を除く): 2285639728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 487, 680, 974, 1360, 1948, 2351, 2435, 3896, 4702, 4870, 7792, 8279, 9404, 9740, 11755, 16558, 18808, 19480, 23510, 33116, 37616, 38960, 39967, 41395, 47020, 66232, 79934, 82790, 94040, 132464, 159868, 165580, 188080, 199835, 319736, 331160, 399670, 639472, 662320, 799340, 1144937, 1598680, 2289874, 3197360, 4579748, 5724685, 9159496, 11449370, 18318992, 19463929, 22898740, 38927858, 45797480, 77855716, 91594960, 97319645, 155711432, 194639290, 311422864, 389278580, 778557160, 1557114320]

約数ペア:

[(1, 1557114320), (2, 778557160), (4, 389278580), (5, 311422864), (8, 194639290), (10, 155711432), (16, 97319645), (17, 91594960), (20, 77855716), (34, 45797480), (40, 38927858), (68, 22898740), (80, 19463929), (85, 18318992), (136, 11449370), (170, 9159496), (272, 5724685), (340, 4579748), (487, 3197360), (680, 2289874), (974, 1598680), (1360, 1144937), (1948, 799340), (2351, 662320), (2435, 639472), (3896, 399670), (4702, 331160), (4870, 319736), (7792, 199835), (8279, 188080), (9404, 165580), (9740, 159868), (11755, 132464), (16558, 94040), (18808, 82790), (19480, 79934), (23510, 66232), (33116, 47020), (37616, 41395), (38960, 39967)]