1123280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 2752800

約数和(自身を除く): 1629520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 739, 760, 1478, 1520, 2956, 3695, 5912, 7390, 11824, 14041, 14780, 28082, 29560, 56164, 59120, 70205, 112328, 140410, 224656, 280820, 561640, 1123280]

約数ペア:

[(1, 1123280), (2, 561640), (4, 280820), (5, 224656), (8, 140410), (10, 112328), (16, 70205), (19, 59120), (20, 56164), (38, 29560), (40, 28082), (76, 14780), (80, 14041), (95, 11824), (152, 7390), (190, 5912), (304, 3695), (380, 2956), (739, 1520), (760, 1478)]