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theorem proved term proof

sigma_one_threehundredsixty

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formal statement (Lean)

 738theorem sigma_one_threehundredsixty : sigma 1 360 = 1170 := by native_decide

proof body

Term-mode proof.

 739
 740/-! ### Prime factors of primes and prime powers -/
 741
 742/-- The prime factors of a prime p is just {p}. -/

depends on (13)

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