12945720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107881}}^1$

素因数の和:107895

約数の個数: 32

約数和(自身を含む): 38837520

約数和(自身を除く): 25891800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 107881, 215762, 323643, 431524, 539405, 647286, 863048, 1078810, 1294572, 1618215, 2157620, 2589144, 3236430, 4315240, 6472860, 12945720]

約数ペア:

[(1, 12945720), (2, 6472860), (3, 4315240), (4, 3236430), (5, 2589144), (6, 2157620), (8, 1618215), (10, 1294572), (12, 1078810), (15, 863048), (20, 647286), (24, 539405), (30, 431524), (40, 323643), (60, 215762), (120, 107881)]