128427810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{611561}}^1$

素因数の和:611578

約数の個数: 32

約数和(自身を含む): 352259712

約数和(自身を除く): 223831902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 611561, 1223122, 1834683, 3057805, 3669366, 4280927, 6115610, 8561854, 9173415, 12842781, 18346830, 21404635, 25685562, 42809270, 64213905, 128427810]

約数ペア:

[(1, 128427810), (2, 64213905), (3, 42809270), (5, 25685562), (6, 21404635), (7, 18346830), (10, 12842781), (14, 9173415), (15, 8561854), (21, 6115610), (30, 4280927), (35, 3669366), (42, 3057805), (70, 1834683), (105, 1223122), (210, 611561)]