129757860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{720877}}^1$

素因数の和:720892

約数の個数: 36

約数和(自身を含む): 393599388

約数和(自身を除く): 263841528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 720877, 1441754, 2162631, 2883508, 3604385, 4325262, 6487893, 7208770, 8650524, 10813155, 12975786, 14417540, 21626310, 25951572, 32439465, 43252620, 64878930, 129757860]

約数ペア:

[(1, 129757860), (2, 64878930), (3, 43252620), (4, 32439465), (5, 25951572), (6, 21626310), (9, 14417540), (10, 12975786), (12, 10813155), (15, 8650524), (18, 7208770), (20, 6487893), (30, 4325262), (36, 3604385), (45, 2883508), (60, 2162631), (90, 1441754), (180, 720877)]