12865140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71473}}^1$

素因数の和:71488

約数の個数: 36

約数和(自身を含む): 39024804

約数和(自身を除く): 26159664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71473, 142946, 214419, 285892, 357365, 428838, 643257, 714730, 857676, 1072095, 1286514, 1429460, 2144190, 2573028, 3216285, 4288380, 6432570, 12865140]

約数ペア:

[(1, 12865140), (2, 6432570), (3, 4288380), (4, 3216285), (5, 2573028), (6, 2144190), (9, 1429460), (10, 1286514), (12, 1072095), (15, 857676), (18, 714730), (20, 643257), (30, 428838), (36, 357365), (45, 285892), (60, 214419), (90, 142946), (180, 71473)]