80740845

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 145971072

約数和(自身を除く): 65230227

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 185, 213, 333, 355, 555, 639, 683, 1065, 1665, 2049, 2627, 3195, 3415, 6147, 7881, 10245, 13135, 23643, 25271, 30735, 39405, 48493, 75813, 118215, 126355, 145479, 227439, 242465, 379065, 436437, 727395, 1137195, 1794241, 2182185, 5382723, 8971205, 16148169, 26913615, 80740845]

約数ペア:

[(1, 80740845), (3, 26913615), (5, 16148169), (9, 8971205), (15, 5382723), (37, 2182185), (45, 1794241), (71, 1137195), (111, 727395), (185, 436437), (213, 379065), (333, 242465), (355, 227439), (555, 145479), (639, 126355), (683, 118215), (1065, 75813), (1665, 48493), (2049, 39405), (2627, 30735), (3195, 25271), (3415, 23643), (6147, 13135), (7881, 10245)]