315099560

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{7247}}^1$

素因数の和:8345

約数の個数: 32

約数和(自身を含む): 709724160

約数和(自身を除く): 394624600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2174, 4348, 5435, 7247, 8696, 10870, 14494, 21740, 28988, 36235, 43480, 57976, 72470, 144940, 289880, 7877489, 15754978, 31509956, 39387445, 63019912, 78774890, 157549780, 315099560]

約数ペア:

[(1, 315099560), (2, 157549780), (4, 78774890), (5, 63019912), (8, 39387445), (10, 31509956), (20, 15754978), (40, 7877489), (1087, 289880), (2174, 144940), (4348, 72470), (5435, 57976), (7247, 43480), (8696, 36235), (10870, 28988), (14494, 21740)]