128580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 360192

約数和(自身を除く): 231612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2143, 4286, 6429, 8572, 10715, 12858, 21430, 25716, 32145, 42860, 64290, 128580]

約数ペア:

[(1, 128580), (2, 64290), (3, 42860), (4, 32145), (5, 25716), (6, 21430), (10, 12858), (12, 10715), (15, 8572), (20, 6429), (30, 4286), (60, 2143)]