If I remember correctly, the “group” names in Japanese are based on shape but aren’t always intuitive, and sometimes a certain number of them will have its own special name or way of counting - the sort of thing that requires a lot of rote memorization.
Numbers stay the same, but the words for “collection/group” change depending on the object. It goes [number] [measure word] [noun]
I’m not familiar with Japanese so I can’t say.
If I remember correctly, the “group” names in Japanese are based on shape but aren’t always intuitive, and sometimes a certain number of them will have its own special name or way of counting - the sort of thing that requires a lot of rote memorization.