30738680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15683}}^1$

素因数の和:15708

約数の個数: 48

約数和(自身を含む): 80458920

約数和(自身を除く): 49720240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15683, 31366, 62732, 78415, 109781, 125464, 156830, 219562, 313660, 439124, 548905, 627320, 768467, 878248, 1097810, 1536934, 2195620, 3073868, 3842335, 4391240, 6147736, 7684670, 15369340, 30738680]

約数ペア:

[(1, 30738680), (2, 15369340), (4, 7684670), (5, 6147736), (7, 4391240), (8, 3842335), (10, 3073868), (14, 2195620), (20, 1536934), (28, 1097810), (35, 878248), (40, 768467), (49, 627320), (56, 548905), (70, 439124), (98, 313660), (140, 219562), (196, 156830), (245, 125464), (280, 109781), (392, 78415), (490, 62732), (980, 31366), (1960, 15683)]