15420180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257003}}^1$

素因数の和:257015

約数の個数: 24

約数和(自身を含む): 43176672

約数和(自身を除く): 27756492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257003, 514006, 771009, 1028012, 1285015, 1542018, 2570030, 3084036, 3855045, 5140060, 7710090, 15420180]

約数ペア:

[(1, 15420180), (2, 7710090), (3, 5140060), (4, 3855045), (5, 3084036), (6, 2570030), (10, 1542018), (12, 1285015), (15, 1028012), (20, 771009), (30, 514006), (60, 257003)]