15691974520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{66593}}^1$

素因数の和:66784

約数の個数: 64

約数和(自身を含む): 36392289120

約数和(自身を除く): 20700314600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 1096, 1370, 1720, 2740, 5480, 5891, 11782, 23564, 29455, 47128, 58910, 66593, 117820, 133186, 235640, 266372, 332965, 532744, 665930, 1331860, 2663720, 2863499, 5726998, 9123241, 11453996, 14317495, 18246482, 22907992, 28634990, 36492964, 45616205, 57269980, 72985928, 91232410, 114539960, 182464820, 364929640, 392299363, 784598726, 1569197452, 1961496815, 3138394904, 3922993630, 7845987260, 15691974520]

約数ペア:

[(1, 15691974520), (2, 7845987260), (4, 3922993630), (5, 3138394904), (8, 1961496815), (10, 1569197452), (20, 784598726), (40, 392299363), (43, 364929640), (86, 182464820), (137, 114539960), (172, 91232410), (215, 72985928), (274, 57269980), (344, 45616205), (430, 36492964), (548, 28634990), (685, 22907992), (860, 18246482), (1096, 14317495), (1370, 11453996), (1720, 9123241), (2740, 5726998), (5480, 2863499), (5891, 2663720), (11782, 1331860), (23564, 665930), (29455, 532744), (47128, 332965), (58910, 266372), (66593, 235640), (117820, 133186)]