129817260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{721207}}^1$

素因数の和:721222

約数の個数: 36

約数和(自身を含む): 393779568

約数和(自身を除く): 263962308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 721207, 1442414, 2163621, 2884828, 3606035, 4327242, 6490863, 7212070, 8654484, 10818105, 12981726, 14424140, 21636210, 25963452, 32454315, 43272420, 64908630, 129817260]

約数ペア:

[(1, 129817260), (2, 64908630), (3, 43272420), (4, 32454315), (5, 25963452), (6, 21636210), (9, 14424140), (10, 12981726), (12, 10818105), (15, 8654484), (18, 7212070), (20, 6490863), (30, 4327242), (36, 3606035), (45, 2884828), (60, 2163621), (90, 1442414), (180, 721207)]