77763280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138863}}^1$

素因数の和:138883

約数の個数: 40

約数和(自身を含む): 206629632

約数和(自身を除く): 128866352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138863, 277726, 555452, 694315, 972041, 1110904, 1388630, 1944082, 2221808, 2777260, 3888164, 4860205, 5554520, 7776328, 9720410, 11109040, 15552656, 19440820, 38881640, 77763280]

約数ペア:

[(1, 77763280), (2, 38881640), (4, 19440820), (5, 15552656), (7, 11109040), (8, 9720410), (10, 7776328), (14, 5554520), (16, 4860205), (20, 3888164), (28, 2777260), (35, 2221808), (40, 1944082), (56, 1388630), (70, 1110904), (80, 972041), (112, 694315), (140, 555452), (280, 277726), (560, 138863)]