42557640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{354647}}^1$

素因数の和:354661

約数の個数: 32

約数和(自身を含む): 127673280

約数和(自身を除く): 85115640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 354647, 709294, 1063941, 1418588, 1773235, 2127882, 2837176, 3546470, 4255764, 5319705, 7092940, 8511528, 10639410, 14185880, 21278820, 42557640]

約数ペア:

[(1, 42557640), (2, 21278820), (3, 14185880), (4, 10639410), (5, 8511528), (6, 7092940), (8, 5319705), (10, 4255764), (12, 3546470), (15, 2837176), (20, 2127882), (24, 1773235), (30, 1418588), (40, 1063941), (60, 709294), (120, 354647)]