7856220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 22192128

約数和(自身を除く): 14335908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1031, 1270, 1524, 1905, 2062, 2540, 3093, 3810, 4124, 5155, 6186, 7620, 10310, 12372, 15465, 20620, 30930, 61860, 130937, 261874, 392811, 523748, 654685, 785622, 1309370, 1571244, 1964055, 2618740, 3928110, 7856220]

約数ペア:

[(1, 7856220), (2, 3928110), (3, 2618740), (4, 1964055), (5, 1571244), (6, 1309370), (10, 785622), (12, 654685), (15, 523748), (20, 392811), (30, 261874), (60, 130937), (127, 61860), (254, 30930), (381, 20620), (508, 15465), (635, 12372), (762, 10310), (1031, 7620), (1270, 6186), (1524, 5155), (1905, 4124), (2062, 3810), (2540, 3093)]