261336840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2177807}}^1$

素因数の和:2177821

約数の個数: 32

約数和(自身を含む): 784010880

約数和(自身を除く): 522674040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2177807, 4355614, 6533421, 8711228, 10889035, 13066842, 17422456, 21778070, 26133684, 32667105, 43556140, 52267368, 65334210, 87112280, 130668420, 261336840]

約数ペア:

[(1, 261336840), (2, 130668420), (3, 87112280), (4, 65334210), (5, 52267368), (6, 43556140), (8, 32667105), (10, 26133684), (12, 21778070), (15, 17422456), (20, 13066842), (24, 10889035), (30, 8711228), (40, 6533421), (60, 4355614), (120, 2177807)]