1230:46=26,7391304347
26,7...•46=1230
5162:54=95,5925925925
95,6...•54=5162
2520:63=40
40•63=2520
3900:65=60
60•65=3900
1440:85=16,9411764705
16,9...•85=1440
2262:26=87
87•26=2262
2160:30=72
72•30=2160
2960:37=80
80•37=2960
1840:23=80
80•23=1840
2150:86=25
25•86=2150
2376:88=27
27•88=2376
3920:47=83,4042553191
83,4...•47=3920