28872540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160403}}^1$

素因数の和:160418

約数の個数: 36

約数和(自身を含む): 87580584

約数和(自身を除く): 58708044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160403, 320806, 481209, 641612, 802015, 962418, 1443627, 1604030, 1924836, 2406045, 2887254, 3208060, 4812090, 5774508, 7218135, 9624180, 14436270, 28872540]

約数ペア:

[(1, 28872540), (2, 14436270), (3, 9624180), (4, 7218135), (5, 5774508), (6, 4812090), (9, 3208060), (10, 2887254), (12, 2406045), (15, 1924836), (18, 1604030), (20, 1443627), (30, 962418), (36, 802015), (45, 641612), (60, 481209), (90, 320806), (180, 160403)]