30705080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109661}}^1$

素因数の和:109679

約数の個数: 32

約数和(自身を含む): 78956640

約数和(自身を除く): 48251560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109661, 219322, 438644, 548305, 767627, 877288, 1096610, 1535254, 2193220, 3070508, 3838135, 4386440, 6141016, 7676270, 15352540, 30705080]

約数ペア:

[(1, 30705080), (2, 15352540), (4, 7676270), (5, 6141016), (7, 4386440), (8, 3838135), (10, 3070508), (14, 2193220), (20, 1535254), (28, 1096610), (35, 877288), (40, 767627), (56, 548305), (70, 438644), (140, 219322), (280, 109661)]