72840160

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3323}}^1$

素因数の和:3475

約数の個数: 48

約数和(自身を含む): 173393136

約数和(自身を除く): 100552976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3323, 4384, 5480, 6646, 10960, 13292, 16615, 21920, 26584, 33230, 53168, 66460, 106336, 132920, 265840, 455251, 531680, 910502, 1821004, 2276255, 3642008, 4552510, 7284016, 9105020, 14568032, 18210040, 36420080, 72840160]

約数ペア:

[(1, 72840160), (2, 36420080), (4, 18210040), (5, 14568032), (8, 9105020), (10, 7284016), (16, 4552510), (20, 3642008), (32, 2276255), (40, 1821004), (80, 910502), (137, 531680), (160, 455251), (274, 265840), (548, 132920), (685, 106336), (1096, 66460), (1370, 53168), (2192, 33230), (2740, 26584), (3323, 21920), (4384, 16615), (5480, 13292), (6646, 10960)]