77739660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431887}}^1$

素因数の和:431902

約数の個数: 36

約数和(自身を含む): 235810848

約数和(自身を除く): 158071188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431887, 863774, 1295661, 1727548, 2159435, 2591322, 3886983, 4318870, 5182644, 6478305, 7773966, 8637740, 12956610, 15547932, 19434915, 25913220, 38869830, 77739660]

約数ペア:

[(1, 77739660), (2, 38869830), (3, 25913220), (4, 19434915), (5, 15547932), (6, 12956610), (9, 8637740), (10, 7773966), (12, 6478305), (15, 5182644), (18, 4318870), (20, 3886983), (30, 2591322), (36, 2159435), (45, 1727548), (60, 1295661), (90, 863774), (180, 431887)]