What are the ranking factors for link popularity of a specific page?

The ranking factors for link popularity of a specific page are listed below:

The quantity and quality of NoFollow links.

Keywords appear in the anchor text of external links.

Use keywords as anchor text for internal import links.

External link popularity (quantity and quality of external links).

Diversified link sources (links from many different domains).

The ratio of Follow and NoFollow links to the page.

The overall link popularity (e.g. Google PR) obtained based on an iterative algorithm.

Internal link popularity (backlinks from other pages on the same domain).

The TrustRank of a specific page (whether the page has links from trusted sites).

The position of the page in the website structure (where the page occupies in the website structure diagram).

External link sources focus on a specific topic (whether the page's external links come from pages and websites related to the topic).