A046525 Numbers common to A033950 and A034884.
2, 8, 12, 18, 24, 36, 40, 56, 60, 72, 80, 84, 96, 108, 132, 180, 240, 252, 288, 360, 480, 504, 720, 1260
Offset: 1
Programs
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Mathematica
Select[Range[1265], Mod[#, x = DivisorSigma[0, #]] == 0 && # < x^2 &] (* Jayanta Basu, Jun 27 2013 *)