2667560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 6987060

約数和(自身を除く): 4319500

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, 1361, 1960, 2722, 5444, 6805, 9527, 10888, 13610, 19054, 27220, 38108, 47635, 54440, 66689, 76216, 95270, 133378, 190540, 266756, 333445, 381080, 533512, 666890, 1333780, 2667560]

約数ペア:

[(1, 2667560), (2, 1333780), (4, 666890), (5, 533512), (7, 381080), (8, 333445), (10, 266756), (14, 190540), (20, 133378), (28, 95270), (35, 76216), (40, 66689), (49, 54440), (56, 47635), (70, 38108), (98, 27220), (140, 19054), (196, 13610), (245, 10888), (280, 9527), (392, 6805), (490, 5444), (980, 2722), (1361, 1960)]