Can PostgreSQL indexes weigh that much?

Question

linux

There is a table consisting of 9 columns where there are bigserial, boolean, timestamp and the rest are integers. Its size is 55 GB. It has 5 indexes on bigserial, boolean, timestamp and two integer fields. Indexes weigh 137 GB.
Are the indexes bloated?
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Answer 1

norm indexes, and you need to use partitioning