306880040

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{13627}}^1$

素因数の和:14201

約数の個数: 32

約数和(自身を含む): 691757280

約数和(自身を除く): 384877240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 11260, 13627, 22520, 27254, 54508, 68135, 109016, 136270, 272540, 545080, 7672001, 15344002, 30688004, 38360005, 61376008, 76720010, 153440020, 306880040]

約数ペア:

[(1, 306880040), (2, 153440020), (4, 76720010), (5, 61376008), (8, 38360005), (10, 30688004), (20, 15344002), (40, 7672001), (563, 545080), (1126, 272540), (2252, 136270), (2815, 109016), (4504, 68135), (5630, 54508), (11260, 27254), (13627, 22520)]