168080920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{600289}}^1$

素因数の和:600307

約数の個数: 32

約数和(自身を含む): 432208800

約数和(自身を除く): 264127880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 600289, 1200578, 2401156, 3001445, 4202023, 4802312, 6002890, 8404046, 12005780, 16808092, 21010115, 24011560, 33616184, 42020230, 84040460, 168080920]

約数ペア:

[(1, 168080920), (2, 84040460), (4, 42020230), (5, 33616184), (7, 24011560), (8, 21010115), (10, 16808092), (14, 12005780), (20, 8404046), (28, 6002890), (35, 4802312), (40, 4202023), (56, 3001445), (70, 2401156), (140, 1200578), (280, 600289)]