71824140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399023}}^1$

素因数の和:399038

約数の個数: 36

約数和(自身を含む): 217867104

約数和(自身を除く): 146042964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399023, 798046, 1197069, 1596092, 1995115, 2394138, 3591207, 3990230, 4788276, 5985345, 7182414, 7980460, 11970690, 14364828, 17956035, 23941380, 35912070, 71824140]

約数ペア:

[(1, 71824140), (2, 35912070), (3, 23941380), (4, 17956035), (5, 14364828), (6, 11970690), (9, 7980460), (10, 7182414), (12, 5985345), (15, 4788276), (18, 3990230), (20, 3591207), (30, 2394138), (36, 1995115), (45, 1596092), (60, 1197069), (90, 798046), (180, 399023)]