61561630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 121878000

約数和(自身を除く): 60316370

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 169, 338, 365, 499, 730, 845, 949, 998, 1690, 1898, 2495, 4745, 4990, 6487, 9490, 12337, 12974, 24674, 32435, 36427, 61685, 64870, 72854, 84331, 123370, 168662, 182135, 364270, 421655, 473551, 843310, 947102, 2367755, 4735510, 6156163, 12312326, 30780815, 61561630]

約数ペア:

[(1, 61561630), (2, 30780815), (5, 12312326), (10, 6156163), (13, 4735510), (26, 2367755), (65, 947102), (73, 843310), (130, 473551), (146, 421655), (169, 364270), (338, 182135), (365, 168662), (499, 123370), (730, 84331), (845, 72854), (949, 64870), (998, 61685), (1690, 36427), (1898, 32435), (2495, 24674), (4745, 12974), (4990, 12337), (6487, 9490)]