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A001599 Harmonic or Ore numbers: numbers n such that harmonic mean of divisors of n is an integer.
(Formerly M4185 N1743)
+0
29
1, 6, 28, 140, 270, 496, 672, 1638, 2970, 6200, 8128, 8190, 18600, 18620, 27846, 30240, 32760, 55860, 105664, 117800, 167400, 173600, 237510, 242060, 332640, 360360, 539400, 695520, 726180, 753480, 950976, 1089270, 1421280, 1539720 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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