71335980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396311}}^1$

素因数の和:396326

約数の個数: 36

約数和(自身を含む): 216386352

約数和(自身を除く): 145050372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396311, 792622, 1188933, 1585244, 1981555, 2377866, 3566799, 3963110, 4755732, 5944665, 7133598, 7926220, 11889330, 14267196, 17833995, 23778660, 35667990, 71335980]

約数ペア:

[(1, 71335980), (2, 35667990), (3, 23778660), (4, 17833995), (5, 14267196), (6, 11889330), (9, 7926220), (10, 7133598), (12, 5944665), (15, 4755732), (18, 3963110), (20, 3566799), (30, 2377866), (36, 1981555), (45, 1585244), (60, 1188933), (90, 792622), (180, 396311)]