67317880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240421}}^1$

素因数の和:240439

約数の個数: 32

約数和(自身を含む): 173103840

約数和(自身を除く): 105785960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240421, 480842, 961684, 1202105, 1682947, 1923368, 2404210, 3365894, 4808420, 6731788, 8414735, 9616840, 13463576, 16829470, 33658940, 67317880]

約数ペア:

[(1, 67317880), (2, 33658940), (4, 16829470), (5, 13463576), (7, 9616840), (8, 8414735), (10, 6731788), (14, 4808420), (20, 3365894), (28, 2404210), (35, 1923368), (40, 1682947), (56, 1202105), (70, 961684), (140, 480842), (280, 240421)]