671120720

素因数分解:

$2^4\times 5^1\times {\mathrm{2837}}^1\times {\mathrm{2957}}^1$

素因数の和:5807

約数の個数: 40

約数和(自身を含む): 1561433544

約数和(自身を除く): 890312824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2837, 2957, 5674, 5914, 11348, 11828, 14185, 14785, 22696, 23656, 28370, 29570, 45392, 47312, 56740, 59140, 113480, 118280, 226960, 236560, 8389009, 16778018, 33556036, 41945045, 67112072, 83890090, 134224144, 167780180, 335560360, 671120720]

約数ペア:

[(1, 671120720), (2, 335560360), (4, 167780180), (5, 134224144), (8, 83890090), (10, 67112072), (16, 41945045), (20, 33556036), (40, 16778018), (80, 8389009), (2837, 236560), (2957, 226960), (5674, 118280), (5914, 113480), (11348, 59140), (11828, 56740), (14185, 47312), (14785, 45392), (22696, 29570), (23656, 28370)]