131695620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313561}}^1$

素因数の和:313580

約数の個数: 48

約数和(自身を含む): 421427328

約数和(自身を除く): 289731708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313561, 627122, 940683, 1254244, 1567805, 1881366, 2194927, 3135610, 3762732, 4389854, 4703415, 6271220, 6584781, 8779708, 9406830, 10974635, 13169562, 18813660, 21949270, 26339124, 32923905, 43898540, 65847810, 131695620]

約数ペア:

[(1, 131695620), (2, 65847810), (3, 43898540), (4, 32923905), (5, 26339124), (6, 21949270), (7, 18813660), (10, 13169562), (12, 10974635), (14, 9406830), (15, 8779708), (20, 6584781), (21, 6271220), (28, 4703415), (30, 4389854), (35, 3762732), (42, 3135610), (60, 2194927), (70, 1881366), (84, 1567805), (105, 1254244), (140, 940683), (210, 627122), (420, 313561)]