261107250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{20479}}^1$

素因数の和:20516

約数の個数: 64

約数和(自身を含む): 690094080

約数和(自身を除く): 428986830

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 2125, 2550, 4250, 6375, 12750, 20479, 40958, 61437, 102395, 122874, 204790, 307185, 348143, 511975, 614370, 696286, 1023950, 1044429, 1535925, 1740715, 2088858, 2559875, 3071850, 3481430, 5119750, 5222145, 7679625, 8703575, 10444290, 15359250, 17407150, 26110725, 43517875, 52221450, 87035750, 130553625, 261107250]

約数ペア:

[(1, 261107250), (2, 130553625), (3, 87035750), (5, 52221450), (6, 43517875), (10, 26110725), (15, 17407150), (17, 15359250), (25, 10444290), (30, 8703575), (34, 7679625), (50, 5222145), (51, 5119750), (75, 3481430), (85, 3071850), (102, 2559875), (125, 2088858), (150, 1740715), (170, 1535925), (250, 1044429), (255, 1023950), (375, 696286), (425, 614370), (510, 511975), (750, 348143), (850, 307185), (1275, 204790), (2125, 122874), (2550, 102395), (4250, 61437), (6375, 40958), (12750, 20479)]