780158960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1393141}}^1$

素因数の和:1393161

約数の個数: 40

約数和(自身を含む): 2072995296

約数和(自身を除く): 1292836336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1393141, 2786282, 5572564, 6965705, 9751987, 11145128, 13931410, 19503974, 22290256, 27862820, 39007948, 48759935, 55725640, 78015896, 97519870, 111451280, 156031792, 195039740, 390079480, 780158960]

約数ペア:

[(1, 780158960), (2, 390079480), (4, 195039740), (5, 156031792), (7, 111451280), (8, 97519870), (10, 78015896), (14, 55725640), (16, 48759935), (20, 39007948), (28, 27862820), (35, 22290256), (40, 19503974), (56, 13931410), (70, 11145128), (80, 9751987), (112, 6965705), (140, 5572564), (280, 2786282), (560, 1393141)]