A076722 - OEIS

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A076722

Product of product of divisors of n and sum of divisors of n.

1, 6, 12, 56, 30, 432, 56, 960, 351, 1800, 132, 48384, 182, 4704, 5400, 31744, 306, 227448, 380, 336000, 14112, 17424, 552, 19906560, 3875, 28392, 29160, 1229312, 870, 58320000, 992, 2064384, 52272, 62424, 58800, 917070336, 1406, 86640, 85176

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Metin Sariyar, Table of n, a(n) for n = 1..5039

MATHEMATICA

Table[d = Divisors[n]; Apply[Times, d]Apply[Plus, d], {n, 1, 39}]

CROSSREFS

Equals A007955*A000203.

Sequence in context: A094060 A341893 A324529 * A322288 A337739 A076305

Adjacent sequences: A076719 A076720 A076721 * A076723 A076724 A076725

KEYWORD

nonn

AUTHOR

Emrehan Halici (emrehan(AT)halici.com.tr), Oct 27 2002

EXTENSIONS

Edited by Robert G. Wilson v, Oct 29 2002

STATUS

approved