71338140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396323}}^1$

素因数の和:396338

約数の個数: 36

約数和(自身を含む): 216392904

約数和(自身を除く): 145054764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396323, 792646, 1188969, 1585292, 1981615, 2377938, 3566907, 3963230, 4755876, 5944845, 7133814, 7926460, 11889690, 14267628, 17834535, 23779380, 35669070, 71338140]

約数ペア:

[(1, 71338140), (2, 35669070), (3, 23779380), (4, 17834535), (5, 14267628), (6, 11889690), (9, 7926460), (10, 7133814), (12, 5944845), (15, 4755876), (18, 3963230), (20, 3566907), (30, 2377938), (36, 1981615), (45, 1585292), (60, 1188969), (90, 792646), (180, 396323)]