A030632 Numbers with 14 divisors.

192, 320, 448, 704, 832, 1088, 1216, 1458, 1472, 1856, 1984, 2368, 2624, 2752, 3008, 3392, 3645, 3776, 3904, 4288, 4544, 4672, 5056, 5103, 5312, 5696, 6208, 6464, 6592, 6848, 6976, 7232, 8019, 8128, 8192, 8384, 8768, 8896, 9477, 9536, 9664, 10048, 10432

Offset

1,1

Comments

Numbers of the form p^13 (A138031) or p*q^6 (A189987), where p and q are distinct primes. - R. J. Mathar, Mar 01 2010

Links

R. J. Mathar, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[15000], DivisorSigma[0, #] == 14 &]

Prog

(PARI) is(n)=numdiv(n)==14 \\ Charles R Greathouse IV, Jun 19 2016

Crossrefs

Cf. A092759.

Sequence in context: A344860 A045077 A234135 * A189987 A229361 A232940

Adjacent sequences: A030629 A030630 A030631 * A030633 A030634 A030635

Keyword

nonn

Author

Jeff Burch

Status

approved