A218416
Numbers k for which sigma(k)/k - 5/9 is an integer.
Original entry on oeis.org
117, 3780, 66960, 167400, 406224, 1097280, 6656832, 13035330, 29410290, 4529295360, 27477725184, 88071903612, 1159632322560, 7035102756864, 18554223329280, 22385029489560, 54934276752360, 112562288197632, 125356165141536, 307631949813216, 1317932346931200
Offset: 1
A218414
Numbers k for which sigma(k)/k - 1/9 is an integer.
Original entry on oeis.org
540, 3276, 58032, 950976, 1862190, 17660160, 3925389312, 1005014679552, 16080326885376, 17908023591648, 43947421401888, 92069057203200, 207726054681600, 411471933675264, 12363050673792000, 160893693946908502272, 269783631952374398976, 467406267507560908800
Offset: 1
A218417
Numbers k for which sigma(k)/k - 7/9 is an integer.
Original entry on oeis.org
135, 216, 819, 2678400, 6780874383360, 15298997575680, 358160471832960, 878948428037760, 69640897897267200, 27548836016065625124864000, 114509071123027415138304000, 204540330952262537736192000, 32445066814696289084018688000, 42000317261222229165905510400
Offset: 1
A218418
Numbers k for which sigma(k)/k - 8/9 is an integer.
Original entry on oeis.org
252, 4464, 73152, 7448760, 41713056, 48117888, 94112928, 301953024, 975576960, 1773584640, 10759746816, 46351678464, 77308821504, 103448378880, 196718837760, 233400061440, 409698051840, 939767546880
Offset: 1
A218430
Numbers k for which sigma(k)/k - 2/9 is an integer.
Original entry on oeis.org
54, 2744280, 6191640, 182494620, 653425920, 702989280, 27025270272, 72475361280, 76172903718912, 15224461545984768, 1688635722988634112, 5953066676035614584064, 1608903162935227680030720, 14600472124349965895417376, 2263986000385276007625523200
Offset: 1
Showing 1-5 of 5 results.
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