1258454960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{5119}}^1$

素因数の和:5578

約数の個数: 80

約数和(自身を含む): 3352166400

約数和(自身を除く): 2093711440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 1756, 2195, 3073, 3512, 4390, 5119, 6146, 7024, 8780, 10238, 12292, 15365, 17560, 20476, 24584, 25595, 30730, 35120, 35833, 40952, 49168, 51190, 61460, 71666, 81904, 102380, 122920, 143332, 179165, 204760, 245840, 286664, 358330, 409520, 573328, 716660, 1433320, 2247241, 2866640, 4494482, 8988964, 11236205, 15730687, 17977928, 22472410, 31461374, 35955856, 44944820, 62922748, 78653435, 89889640, 125845496, 157306870, 179779280, 251690992, 314613740, 629227480, 1258454960]

約数ペア:

[(1, 1258454960), (2, 629227480), (4, 314613740), (5, 251690992), (7, 179779280), (8, 157306870), (10, 125845496), (14, 89889640), (16, 78653435), (20, 62922748), (28, 44944820), (35, 35955856), (40, 31461374), (56, 22472410), (70, 17977928), (80, 15730687), (112, 11236205), (140, 8988964), (280, 4494482), (439, 2866640), (560, 2247241), (878, 1433320), (1756, 716660), (2195, 573328), (3073, 409520), (3512, 358330), (4390, 286664), (5119, 245840), (6146, 204760), (7024, 179165), (8780, 143332), (10238, 122920), (12292, 102380), (15365, 81904), (17560, 71666), (20476, 61460), (24584, 51190), (25595, 49168), (30730, 40952), (35120, 35833)]