261567810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{415187}}^1$

素因数の和:415207

約数の個数: 48

約数和(自身を含む): 777231936

約数和(自身を除く): 515664126

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 415187, 830374, 1245561, 2075935, 2491122, 2906309, 3736683, 4151870, 5812618, 6227805, 7473366, 8718927, 12455610, 14531545, 17437854, 18683415, 26156781, 29063090, 37366830, 43594635, 52313562, 87189270, 130783905, 261567810]

約数ペア:

[(1, 261567810), (2, 130783905), (3, 87189270), (5, 52313562), (6, 43594635), (7, 37366830), (9, 29063090), (10, 26156781), (14, 18683415), (15, 17437854), (18, 14531545), (21, 12455610), (30, 8718927), (35, 7473366), (42, 6227805), (45, 5812618), (63, 4151870), (70, 3736683), (90, 2906309), (105, 2491122), (126, 2075935), (210, 1245561), (315, 830374), (630, 415187)]