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Numbers n such that n*tau(n)>3*prime(n).
1

%I #6 Mar 30 2012 18:38:54

%S 180,240,360,420,480,504,540,600,630,660,672,720,756,780,792,840,864,

%T 900,924,936,960,990,1008,1020,1050,1056,1080,1200,1260,1296,1320,

%U 1344,1440,1512,1560,1584,1620,1680,1728,1764,1800,1848,1872,1890,1920,1980

%N Numbers n such that n*tau(n)>3*prime(n).

%K easy,nonn

%O 1,1

%A _Benoit Cloitre_, Mar 22 2002