80018790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72089}}^1$

素因数の和:72136

約数の個数: 32

約数和(自身を含む): 197238240

約数和(自身を除く): 117219450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 72089, 144178, 216267, 360445, 432534, 720890, 1081335, 2162670, 2667293, 5334586, 8001879, 13336465, 16003758, 26672930, 40009395, 80018790]

約数ペア:

[(1, 80018790), (2, 40009395), (3, 26672930), (5, 16003758), (6, 13336465), (10, 8001879), (15, 5334586), (30, 2667293), (37, 2162670), (74, 1081335), (111, 720890), (185, 432534), (222, 360445), (370, 216267), (555, 144178), (1110, 72089)]