77937480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{216493}}^1$

素因数の和:216510

約数の個数: 48

約数和(自身を含む): 253297980

約数和(自身を除く): 175360500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 216493, 432986, 649479, 865972, 1082465, 1298958, 1731944, 1948437, 2164930, 2597916, 3247395, 3896874, 4329860, 5195832, 6494790, 7793748, 8659720, 9742185, 12989580, 15587496, 19484370, 25979160, 38968740, 77937480]

約数ペア:

[(1, 77937480), (2, 38968740), (3, 25979160), (4, 19484370), (5, 15587496), (6, 12989580), (8, 9742185), (9, 8659720), (10, 7793748), (12, 6494790), (15, 5195832), (18, 4329860), (20, 3896874), (24, 3247395), (30, 2597916), (36, 2164930), (40, 1948437), (45, 1731944), (60, 1298958), (72, 1082465), (90, 865972), (120, 649479), (180, 432986), (360, 216493)]