864080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1543}}^1$

素因数の和:1563

約数の個数: 40

約数和(自身を含む): 2297472

約数和(自身を除く): 1433392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1543, 3086, 6172, 7715, 10801, 12344, 15430, 21602, 24688, 30860, 43204, 54005, 61720, 86408, 108010, 123440, 172816, 216020, 432040, 864080]

約数ペア:

[(1, 864080), (2, 432040), (4, 216020), (5, 172816), (7, 123440), (8, 108010), (10, 86408), (14, 61720), (16, 54005), (20, 43204), (28, 30860), (35, 24688), (40, 21602), (56, 15430), (70, 12344), (80, 10801), (112, 7715), (140, 6172), (280, 3086), (560, 1543)]