80680020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1344667}}^1$

素因数の和:1344679

約数の個数: 24

約数和(自身を含む): 225904224

約数和(自身を除く): 145224204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1344667, 2689334, 4034001, 5378668, 6723335, 8068002, 13446670, 16136004, 20170005, 26893340, 40340010, 80680020]

約数ペア:

[(1, 80680020), (2, 40340010), (3, 26893340), (4, 20170005), (5, 16136004), (6, 13446670), (10, 8068002), (12, 6723335), (15, 5378668), (20, 4034001), (30, 2689334), (60, 1344667)]