156131920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278807}}^1$

素因数の和:278827

約数の個数: 40

約数和(自身を含む): 414866304

約数和(自身を除く): 258734384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278807, 557614, 1115228, 1394035, 1951649, 2230456, 2788070, 3903298, 4460912, 5576140, 7806596, 9758245, 11152280, 15613192, 19516490, 22304560, 31226384, 39032980, 78065960, 156131920]

約数ペア:

[(1, 156131920), (2, 78065960), (4, 39032980), (5, 31226384), (7, 22304560), (8, 19516490), (10, 15613192), (14, 11152280), (16, 9758245), (20, 7806596), (28, 5576140), (35, 4460912), (40, 3903298), (56, 2788070), (70, 2230456), (80, 1951649), (112, 1394035), (140, 1115228), (280, 557614), (560, 278807)]