121904720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217687}}^1$

素因数の和:217707

約数の個数: 40

約数和(自身を含む): 323919744

約数和(自身を除く): 202015024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217687, 435374, 870748, 1088435, 1523809, 1741496, 2176870, 3047618, 3482992, 4353740, 6095236, 7619045, 8707480, 12190472, 15238090, 17414960, 24380944, 30476180, 60952360, 121904720]

約数ペア:

[(1, 121904720), (2, 60952360), (4, 30476180), (5, 24380944), (7, 17414960), (8, 15238090), (10, 12190472), (14, 8707480), (16, 7619045), (20, 6095236), (28, 4353740), (35, 3482992), (40, 3047618), (56, 2176870), (70, 1741496), (80, 1523809), (112, 1088435), (140, 870748), (280, 435374), (560, 217687)]