12855420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71419}}^1$

素因数の和:71434

約数の個数: 36

約数和(自身を含む): 38995320

約数和(自身を除く): 26139900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71419, 142838, 214257, 285676, 357095, 428514, 642771, 714190, 857028, 1071285, 1285542, 1428380, 2142570, 2571084, 3213855, 4285140, 6427710, 12855420]

約数ペア:

[(1, 12855420), (2, 6427710), (3, 4285140), (4, 3213855), (5, 2571084), (6, 2142570), (9, 1428380), (10, 1285542), (12, 1071285), (15, 857028), (18, 714190), (20, 642771), (30, 428514), (36, 357095), (45, 285676), (60, 214257), (90, 142838), (180, 71419)]