80638980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1343983}}^1$

素因数の和:1343995

約数の個数: 24

約数和(自身を含む): 225789312

約数和(自身を除く): 145150332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1343983, 2687966, 4031949, 5375932, 6719915, 8063898, 13439830, 16127796, 20159745, 26879660, 40319490, 80638980]

約数ペア:

[(1, 80638980), (2, 40319490), (3, 26879660), (4, 20159745), (5, 16127796), (6, 13439830), (10, 8063898), (12, 6719915), (15, 5375932), (20, 4031949), (30, 2687966), (60, 1343983)]