It seems like you're asking about a measure involving "RA" and "180 factors," but the context is unclear. Could you clarify the following? 1. **RA:** Are you referring to **Right Ascension** (used in astronomy), **Rheumatoid Arthritis**, or something else? 2. **180 Factors:** Are you referencing a mathematical factorization of 180, an angle in degrees, or another concept? If you provide more details or the field you're discussing (e.g., mathematics, science, medicine), I can give you a more precise answer!

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