81564660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453137}}^1$

素因数の和:453152

約数の個数: 36

約数和(自身を含む): 247413348

約数和(自身を除く): 165848688

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453137, 906274, 1359411, 1812548, 2265685, 2718822, 4078233, 4531370, 5437644, 6797055, 8156466, 9062740, 13594110, 16312932, 20391165, 27188220, 40782330, 81564660]

約数ペア:

[(1, 81564660), (2, 40782330), (3, 27188220), (4, 20391165), (5, 16312932), (6, 13594110), (9, 9062740), (10, 8156466), (12, 6797055), (15, 5437644), (18, 4531370), (20, 4078233), (30, 2718822), (36, 2265685), (45, 1812548), (60, 1359411), (90, 906274), (180, 453137)]