128202420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2136707}}^1$

素因数の和:2136719

約数の個数: 24

約数和(自身を含む): 358966944

約数和(自身を除く): 230764524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2136707, 4273414, 6410121, 8546828, 10683535, 12820242, 21367070, 25640484, 32050605, 42734140, 64101210, 128202420]

約数ペア:

[(1, 128202420), (2, 64101210), (3, 42734140), (4, 32050605), (5, 25640484), (6, 21367070), (10, 12820242), (12, 10683535), (15, 8546828), (20, 6410121), (30, 4273414), (60, 2136707)]