2722160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4861}}^1$

素因数の和:4881

約数の個数: 40

約数和(自身を含む): 7234656

約数和(自身を除く): 4512496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4861, 9722, 19444, 24305, 34027, 38888, 48610, 68054, 77776, 97220, 136108, 170135, 194440, 272216, 340270, 388880, 544432, 680540, 1361080, 2722160]

約数ペア:

[(1, 2722160), (2, 1361080), (4, 680540), (5, 544432), (7, 388880), (8, 340270), (10, 272216), (14, 194440), (16, 170135), (20, 136108), (28, 97220), (35, 77776), (40, 68054), (56, 48610), (70, 38888), (80, 34027), (112, 24305), (140, 19444), (280, 9722), (560, 4861)]