18304720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32687}}^1$

素因数の和:32707

約数の個数: 40

約数和(自身を含む): 48639744

約数和(自身を除く): 30335024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32687, 65374, 130748, 163435, 228809, 261496, 326870, 457618, 522992, 653740, 915236, 1144045, 1307480, 1830472, 2288090, 2614960, 3660944, 4576180, 9152360, 18304720]

約数ペア:

[(1, 18304720), (2, 9152360), (4, 4576180), (5, 3660944), (7, 2614960), (8, 2288090), (10, 1830472), (14, 1307480), (16, 1144045), (20, 915236), (28, 653740), (35, 522992), (40, 457618), (56, 326870), (70, 261496), (80, 228809), (112, 163435), (140, 130748), (280, 65374), (560, 32687)]