142328560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 363271392

約数和(自身を除く): 220942832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 788, 821, 880, 985, 1576, 1642, 1970, 2167, 3152, 3284, 3940, 4105, 4334, 6568, 7880, 8210, 8668, 9031, 10835, 13136, 15760, 16420, 17336, 18062, 21670, 32840, 34672, 36124, 43340, 45155, 65680, 72248, 86680, 90310, 144496, 161737, 173360, 180620, 323474, 361240, 646948, 722480, 808685, 1293896, 1617370, 1779107, 2587792, 3234740, 3558214, 6469480, 7116428, 8895535, 12938960, 14232856, 17791070, 28465712, 35582140, 71164280, 142328560]

約数ペア:

[(1, 142328560), (2, 71164280), (4, 35582140), (5, 28465712), (8, 17791070), (10, 14232856), (11, 12938960), (16, 8895535), (20, 7116428), (22, 6469480), (40, 3558214), (44, 3234740), (55, 2587792), (80, 1779107), (88, 1617370), (110, 1293896), (176, 808685), (197, 722480), (220, 646948), (394, 361240), (440, 323474), (788, 180620), (821, 173360), (880, 161737), (985, 144496), (1576, 90310), (1642, 86680), (1970, 72248), (2167, 65680), (3152, 45155), (3284, 43340), (3940, 36124), (4105, 34672), (4334, 32840), (6568, 21670), (7880, 18062), (8210, 17336), (8668, 16420), (9031, 15760), (10835, 13136)]