1280454990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{42681833}}^1$

素因数の和:42681843

約数の個数: 16

約数和(自身を含む): 3073092048

約数和(自身を除く): 1792637058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 42681833, 85363666, 128045499, 213409165, 256090998, 426818330, 640227495, 1280454990]

約数ペア:

[(1, 1280454990), (2, 640227495), (3, 426818330), (5, 256090998), (6, 213409165), (10, 128045499), (15, 85363666), (30, 42681833)]