12889620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 39541320

約数和(自身を除く): 26651700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 709, 909, 1010, 1212, 1418, 1515, 1818, 2020, 2127, 2836, 3030, 3545, 3636, 4254, 4545, 6060, 6381, 7090, 8508, 9090, 10635, 12762, 14180, 18180, 21270, 25524, 31905, 42540, 63810, 71609, 127620, 143218, 214827, 286436, 358045, 429654, 644481, 716090, 859308, 1074135, 1288962, 1432180, 2148270, 2577924, 3222405, 4296540, 6444810, 12889620]

約数ペア:

[(1, 12889620), (2, 6444810), (3, 4296540), (4, 3222405), (5, 2577924), (6, 2148270), (9, 1432180), (10, 1288962), (12, 1074135), (15, 859308), (18, 716090), (20, 644481), (30, 429654), (36, 358045), (45, 286436), (60, 214827), (90, 143218), (101, 127620), (180, 71609), (202, 63810), (303, 42540), (404, 31905), (505, 25524), (606, 21270), (709, 18180), (909, 14180), (1010, 12762), (1212, 10635), (1418, 9090), (1515, 8508), (1818, 7090), (2020, 6381), (2127, 6060), (2836, 4545), (3030, 4254), (3545, 3636)]