78480080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140143}}^1$

素因数の和:140163

約数の個数: 40

約数和(自身を含む): 208534272

約数和(自身を除く): 130054192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140143, 280286, 560572, 700715, 981001, 1121144, 1401430, 1962002, 2242288, 2802860, 3924004, 4905005, 5605720, 7848008, 9810010, 11211440, 15696016, 19620020, 39240040, 78480080]

約数ペア:

[(1, 78480080), (2, 39240040), (4, 19620020), (5, 15696016), (7, 11211440), (8, 9810010), (10, 7848008), (14, 5605720), (16, 4905005), (20, 3924004), (28, 2802860), (35, 2242288), (40, 1962002), (56, 1401430), (70, 1121144), (80, 981001), (112, 700715), (140, 560572), (280, 280286), (560, 140143)]