180720008

素因数分解:

$2^3\times 7^1\times {\mathrm{3227143}}^1$

素因数の和:3227156

約数の個数: 16

約数和(自身を含む): 387257280

約数和(自身を除く): 206537272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3227143, 6454286, 12908572, 22590001, 25817144, 45180002, 90360004, 180720008]

約数ペア:

[(1, 180720008), (2, 90360004), (4, 45180002), (7, 25817144), (8, 22590001), (14, 12908572), (28, 6454286), (56, 3227143)]