12880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{214667}}^1$

素因数の和:214679

約数の個数: 24

約数和(自身を含む): 36064224

約数和(自身を除く): 23184204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 214667, 429334, 644001, 858668, 1073335, 1288002, 2146670, 2576004, 3220005, 4293340, 6440010, 12880020]

約数ペア:

[(1, 12880020), (2, 6440010), (3, 4293340), (4, 3220005), (5, 2576004), (6, 2146670), (10, 1288002), (12, 1073335), (15, 858668), (20, 644001), (30, 429334), (60, 214667)]