Neither Windows nor the filesystem keep a record of anything but the last access time for a file.
If you want to track and log every file access, you'll need a program/service that's constantly monitoring for changes and logging them. Note that the file monitoring program will only be able to tell you of file accesses that have occurred since the program started running.
The freeware program filemon will log any and all file accesses:
http://download.cnet.com/Filemon/3000-2094_4-10020837.htmlIf you want to only monitor a specific file or folder, do a search for other file monitoring or folder monitoring programs.