68872640

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1725

約数の個数: 56

約数和(自身を含む): 165305232

約数和(自身を除く): 96432592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 1571, 2192, 2740, 3142, 4384, 5480, 6284, 7855, 8768, 10960, 12568, 15710, 21920, 25136, 31420, 43840, 50272, 62840, 100544, 125680, 215227, 251360, 430454, 502720, 860908, 1076135, 1721816, 2152270, 3443632, 4304540, 6887264, 8609080, 13774528, 17218160, 34436320, 68872640]

約数ペア:

[(1, 68872640), (2, 34436320), (4, 17218160), (5, 13774528), (8, 8609080), (10, 6887264), (16, 4304540), (20, 3443632), (32, 2152270), (40, 1721816), (64, 1076135), (80, 860908), (137, 502720), (160, 430454), (274, 251360), (320, 215227), (548, 125680), (685, 100544), (1096, 62840), (1370, 50272), (1571, 43840), (2192, 31420), (2740, 25136), (3142, 21920), (4384, 15710), (5480, 12568), (6284, 10960), (7855, 8768)]