306120080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{546643}}^1$

素因数の和:546663

約数の個数: 40

約数和(自身を含む): 813406272

約数和(自身を除く): 507286192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 546643, 1093286, 2186572, 2733215, 3826501, 4373144, 5466430, 7653002, 8746288, 10932860, 15306004, 19132505, 21865720, 30612008, 38265010, 43731440, 61224016, 76530020, 153060040, 306120080]

約数ペア:

[(1, 306120080), (2, 153060040), (4, 76530020), (5, 61224016), (7, 43731440), (8, 38265010), (10, 30612008), (14, 21865720), (16, 19132505), (20, 15306004), (28, 10932860), (35, 8746288), (40, 7653002), (56, 5466430), (70, 4373144), (80, 3826501), (112, 2733215), (140, 2186572), (280, 1093286), (560, 546643)]