login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A110442 Least colossally abundant number c with sigma(c)/c >= n. 1
6, 120, 55440, 367567200, 288807105787200, 1970992304700453905270400, 46015447651610234928592313897306120347488000, 20945137389024582113645213620899991935836129981347124754955196200225728000 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
COMMENTS
See A110443 for the indices of these numbers in A004490. A073751 contains a program for quickly computing colossally abundant numbers.
LINKS
CROSSREFS
Cf. A004490 (colossally abundant numbers), A023199 (least number k such that sigma(k)/k >= n).
Sequence in context: A355757 A007539 A040996 * A371206 A137149 A317888
KEYWORD
nonn
AUTHOR
T. D. Noe, Jul 20 2005
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 01:19 EDT 2024. Contains 371906 sequences. (Running on oeis4.)