161817180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385279}}^1$

素因数の和:385298

約数の個数: 48

約数和(自身を含む): 517816320

約数和(自身を除く): 355999140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 385279, 770558, 1155837, 1541116, 1926395, 2311674, 2696953, 3852790, 4623348, 5393906, 5779185, 7705580, 8090859, 10787812, 11558370, 13484765, 16181718, 23116740, 26969530, 32363436, 40454295, 53939060, 80908590, 161817180]

約数ペア:

[(1, 161817180), (2, 80908590), (3, 53939060), (4, 40454295), (5, 32363436), (6, 26969530), (7, 23116740), (10, 16181718), (12, 13484765), (14, 11558370), (15, 10787812), (20, 8090859), (21, 7705580), (28, 5779185), (30, 5393906), (35, 4623348), (42, 3852790), (60, 2696953), (70, 2311674), (84, 1926395), (105, 1541116), (140, 1155837), (210, 770558), (420, 385279)]