1235309440

素因数分解:

$2^7\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2351}}^1$

素因数の和:3191

約数の個数: 64

約数和(自身を含む): 2958016320

約数和(自身を除く): 1722706880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 821, 1642, 2351, 3284, 4105, 4702, 6568, 8210, 9404, 11755, 13136, 16420, 18808, 23510, 26272, 32840, 37616, 47020, 52544, 65680, 75232, 94040, 105088, 131360, 150464, 188080, 262720, 300928, 376160, 525440, 752320, 1504640, 1930171, 3860342, 7720684, 9650855, 15441368, 19301710, 30882736, 38603420, 61765472, 77206840, 123530944, 154413680, 247061888, 308827360, 617654720, 1235309440]

約数ペア:

[(1, 1235309440), (2, 617654720), (4, 308827360), (5, 247061888), (8, 154413680), (10, 123530944), (16, 77206840), (20, 61765472), (32, 38603420), (40, 30882736), (64, 19301710), (80, 15441368), (128, 9650855), (160, 7720684), (320, 3860342), (640, 1930171), (821, 1504640), (1642, 752320), (2351, 525440), (3284, 376160), (4105, 300928), (4702, 262720), (6568, 188080), (8210, 150464), (9404, 131360), (11755, 105088), (13136, 94040), (16420, 75232), (18808, 65680), (23510, 52544), (26272, 47020), (32840, 37616)]