1580453920

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{72101}}^1$

素因数の和:72253

約数の個数: 48

約数和(自身を含む): 3761128728

約数和(自身を除く): 2180674808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 72101, 144202, 288404, 360505, 576808, 721010, 1153616, 1442020, 2307232, 2884040, 5768080, 9877837, 11536160, 19755674, 39511348, 49389185, 79022696, 98778370, 158045392, 197556740, 316090784, 395113480, 790226960, 1580453920]

約数ペア:

[(1, 1580453920), (2, 790226960), (4, 395113480), (5, 316090784), (8, 197556740), (10, 158045392), (16, 98778370), (20, 79022696), (32, 49389185), (40, 39511348), (80, 19755674), (137, 11536160), (160, 9877837), (274, 5768080), (548, 2884040), (685, 2307232), (1096, 1442020), (1370, 1153616), (2192, 721010), (2740, 576808), (4384, 360505), (5480, 288404), (10960, 144202), (21920, 72101)]