280795260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4679921}}^1$

素因数の和:4679933

約数の個数: 24

約数和(自身を含む): 786226896

約数和(自身を除く): 505431636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4679921, 9359842, 14039763, 18719684, 23399605, 28079526, 46799210, 56159052, 70198815, 93598420, 140397630, 280795260]

約数ペア:

[(1, 280795260), (2, 140397630), (3, 93598420), (4, 70198815), (5, 56159052), (6, 46799210), (10, 28079526), (12, 23399605), (15, 18719684), (20, 14039763), (30, 9359842), (60, 4679921)]