158480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 422592

約数和(自身を除く): 264112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 1132, 1415, 1981, 2264, 2830, 3962, 4528, 5660, 7924, 9905, 11320, 15848, 19810, 22640, 31696, 39620, 79240, 158480]

約数ペア:

[(1, 158480), (2, 79240), (4, 39620), (5, 31696), (7, 22640), (8, 19810), (10, 15848), (14, 11320), (16, 9905), (20, 7924), (28, 5660), (35, 4528), (40, 3962), (56, 2830), (70, 2264), (80, 1981), (112, 1415), (140, 1132), (280, 566), (283, 560)]