128379180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2139653}}^1$

素因数の和:2139665

約数の個数: 24

約数和(自身を含む): 359461872

約数和(自身を除く): 231082692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2139653, 4279306, 6418959, 8558612, 10698265, 12837918, 21396530, 25675836, 32094795, 42793060, 64189590, 128379180]

約数ペア:

[(1, 128379180), (2, 64189590), (3, 42793060), (4, 32094795), (5, 25675836), (6, 21396530), (10, 12837918), (12, 10698265), (15, 8558612), (20, 6418959), (30, 4279306), (60, 2139653)]