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A076722 Product of product of divisors of n and sum of divisors of n. 0
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

Table of n, a(n) for n=1..39.

MATHEMATICA

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

CROSSREFS

Equals A007955*A000203

Sequence in context: A256584 A117866 A094060 * A076305 A088944 A033931

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

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Last modified August 19 23:35 EDT 2017. Contains 290821 sequences.