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A110442 Least colossally abundant number c with sigma(c)/c >= n. +0
2
6, 120, 55440, 367567200, 288807105787200, 1970992304700453905270400, 46015447651610234928592313897306120347488000, 20945137389024582113645213620899991935836129981347124754955196200225728000 (list; graph; listen)
OFFSET

2,1

COMMENT

See A110443 for the indices of these numbers in A004490. A073751 contains a program for quickly computing colossally abundant numbers.

CROSSREFS

Cf. A004490 (colossally abundant numbers), A023199 (least number k such that sigma(k)/k >= n).

Sequence in context: A023199 A007539 A040996 this_sequence A137149 A053710 A126244

Adjacent sequences: A110439 A110440 A110441 this_sequence A110443 A110444 A110445

KEYWORD

nonn

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Jul 20 2005

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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