12540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:42

約数の個数: 48

約数和(自身を含む): 40320

約数和(自身を除く): 27780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 2090, 2508, 3135, 4180, 6270, 12540]

約数ペア:

[(1, 12540), (2, 6270), (3, 4180), (4, 3135), (5, 2508), (6, 2090), (10, 1254), (11, 1140), (12, 1045), (15, 836), (19, 660), (20, 627), (22, 570), (30, 418), (33, 380), (38, 330), (44, 285), (55, 228), (57, 220), (60, 209), (66, 190), (76, 165), (95, 132), (110, 114)]