2560245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 4402944

約数和(自身を除く): 1842699

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 181, 205, 345, 543, 615, 905, 943, 2715, 2829, 4163, 4715, 7421, 12489, 14145, 20815, 22263, 37105, 62445, 111315, 170683, 512049, 853415, 2560245]

約数ペア:

[(1, 2560245), (3, 853415), (5, 512049), (15, 170683), (23, 111315), (41, 62445), (69, 37105), (115, 22263), (123, 20815), (181, 14145), (205, 12489), (345, 7421), (543, 4715), (615, 4163), (905, 2829), (943, 2715)]