30671480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109541}}^1$

素因数の和:109559

約数の個数: 32

約数和(自身を含む): 78870240

約数和(自身を除く): 48198760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109541, 219082, 438164, 547705, 766787, 876328, 1095410, 1533574, 2190820, 3067148, 3833935, 4381640, 6134296, 7667870, 15335740, 30671480]

約数ペア:

[(1, 30671480), (2, 15335740), (4, 7667870), (5, 6134296), (7, 4381640), (8, 3833935), (10, 3067148), (14, 2190820), (20, 1533574), (28, 1095410), (35, 876328), (40, 766787), (56, 547705), (70, 438164), (140, 219082), (280, 109541)]