1520245315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 1979458560

約数和(自身を除く): 459213245

約数列:

[1, 5, 17, 47, 85, 235, 443, 799, 859, 2215, 3995, 4295, 7531, 14603, 20821, 37655, 40373, 73015, 104105, 201865, 353957, 380537, 686341, 1769785, 1902685, 3431705, 6469129, 17885239, 32345645, 89426195, 304049063, 1520245315]

約数ペア:

[(1, 1520245315), (5, 304049063), (17, 89426195), (47, 32345645), (85, 17885239), (235, 6469129), (443, 3431705), (799, 1902685), (859, 1769785), (2215, 686341), (3995, 380537), (4295, 353957), (7531, 201865), (14603, 104105), (20821, 73015), (37655, 40373)]