1271220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21187}}^1$

素因数の和:21199

約数の個数: 24

約数和(自身を含む): 3559584

約数和(自身を除く): 2288364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21187, 42374, 63561, 84748, 105935, 127122, 211870, 254244, 317805, 423740, 635610, 1271220]

約数ペア:

[(1, 1271220), (2, 635610), (3, 423740), (4, 317805), (5, 254244), (6, 211870), (10, 127122), (12, 105935), (15, 84748), (20, 63561), (30, 42374), (60, 21187)]