129538020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8209}}^1$

素因数の和:8484

約数の個数: 48

約数和(自身を含む): 364129920

約数和(自身を除く): 234591900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 5260, 7890, 8209, 15780, 16418, 24627, 32836, 41045, 49254, 82090, 98508, 123135, 164180, 246270, 492540, 2158967, 4317934, 6476901, 8635868, 10794835, 12953802, 21589670, 25907604, 32384505, 43179340, 64769010, 129538020]

約数ペア:

[(1, 129538020), (2, 64769010), (3, 43179340), (4, 32384505), (5, 25907604), (6, 21589670), (10, 12953802), (12, 10794835), (15, 8635868), (20, 6476901), (30, 4317934), (60, 2158967), (263, 492540), (526, 246270), (789, 164180), (1052, 123135), (1315, 98508), (1578, 82090), (2630, 49254), (3156, 41045), (3945, 32836), (5260, 24627), (7890, 16418), (8209, 15780)]