28206540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156703}}^1$

素因数の和:156718

約数の個数: 36

約数和(自身を含む): 85560384

約数和(自身を除く): 57353844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156703, 313406, 470109, 626812, 783515, 940218, 1410327, 1567030, 1880436, 2350545, 2820654, 3134060, 4701090, 5641308, 7051635, 9402180, 14103270, 28206540]

約数ペア:

[(1, 28206540), (2, 14103270), (3, 9402180), (4, 7051635), (5, 5641308), (6, 4701090), (9, 3134060), (10, 2820654), (12, 2350545), (15, 1880436), (18, 1567030), (20, 1410327), (30, 940218), (36, 783515), (45, 626812), (60, 470109), (90, 313406), (180, 156703)]