66573640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237763}}^1$

素因数の和:237781

約数の個数: 32

約数和(自身を含む): 171190080

約数和(自身を除く): 104616440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237763, 475526, 951052, 1188815, 1664341, 1902104, 2377630, 3328682, 4755260, 6657364, 8321705, 9510520, 13314728, 16643410, 33286820, 66573640]

約数ペア:

[(1, 66573640), (2, 33286820), (4, 16643410), (5, 13314728), (7, 9510520), (8, 8321705), (10, 6657364), (14, 4755260), (20, 3328682), (28, 2377630), (35, 1902104), (40, 1664341), (56, 1188815), (70, 951052), (140, 475526), (280, 237763)]