180106120

素因数分解:

$2^3\times 5^1\times {\mathrm{4502653}}^1$

素因数の和:4502664

約数の個数: 16

約数和(自身を含む): 405238860

約数和(自身を除く): 225132740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4502653, 9005306, 18010612, 22513265, 36021224, 45026530, 90053060, 180106120]

約数ペア:

[(1, 180106120), (2, 90053060), (4, 45026530), (5, 36021224), (8, 22513265), (10, 18010612), (20, 9005306), (40, 4502653)]