171225040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{305759}}^1$

素因数の和:305779

約数の個数: 40

約数和(自身を含む): 454970880

約数和(自身を除く): 283745840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 305759, 611518, 1223036, 1528795, 2140313, 2446072, 3057590, 4280626, 4892144, 6115180, 8561252, 10701565, 12230360, 17122504, 21403130, 24460720, 34245008, 42806260, 85612520, 171225040]

約数ペア:

[(1, 171225040), (2, 85612520), (4, 42806260), (5, 34245008), (7, 24460720), (8, 21403130), (10, 17122504), (14, 12230360), (16, 10701565), (20, 8561252), (28, 6115180), (35, 4892144), (40, 4280626), (56, 3057590), (70, 2446072), (80, 2140313), (112, 1528795), (140, 1223036), (280, 611518), (560, 305759)]