80395695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 146577600

約数和(自身を除く): 66181905

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 173, 207, 345, 449, 519, 865, 1035, 1347, 1557, 2245, 2595, 3979, 4041, 6735, 7785, 10327, 11937, 19895, 20205, 30981, 35811, 51635, 59685, 77677, 92943, 154905, 179055, 233031, 388385, 464715, 699093, 1165155, 1786571, 3495465, 5359713, 8932855, 16079139, 26798565, 80395695]

約数ペア:

[(1, 80395695), (3, 26798565), (5, 16079139), (9, 8932855), (15, 5359713), (23, 3495465), (45, 1786571), (69, 1165155), (115, 699093), (173, 464715), (207, 388385), (345, 233031), (449, 179055), (519, 154905), (865, 92943), (1035, 77677), (1347, 59685), (1557, 51635), (2245, 35811), (2595, 30981), (3979, 20205), (4041, 19895), (6735, 11937), (7785, 10327)]