1272880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 3383712

約数和(自身を除く): 2110832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2273, 4546, 9092, 11365, 15911, 18184, 22730, 31822, 36368, 45460, 63644, 79555, 90920, 127288, 159110, 181840, 254576, 318220, 636440, 1272880]

約数ペア:

[(1, 1272880), (2, 636440), (4, 318220), (5, 254576), (7, 181840), (8, 159110), (10, 127288), (14, 90920), (16, 79555), (20, 63644), (28, 45460), (35, 36368), (40, 31822), (56, 22730), (70, 18184), (80, 15911), (112, 11365), (140, 9092), (280, 4546), (560, 2273)]