128537940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2142299}}^1$

素因数の和:2142311

約数の個数: 24

約数和(自身を含む): 359906400

約数和(自身を除く): 231368460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2142299, 4284598, 6426897, 8569196, 10711495, 12853794, 21422990, 25707588, 32134485, 42845980, 64268970, 128537940]

約数ペア:

[(1, 128537940), (2, 64268970), (3, 42845980), (4, 32134485), (5, 25707588), (6, 21422990), (10, 12853794), (12, 10711495), (15, 8569196), (20, 6426897), (30, 4284598), (60, 2142299)]