128568165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 235388160

約数和(自身を除く): 106819995

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 97, 145, 165, 277, 291, 319, 435, 485, 831, 957, 1067, 1385, 1455, 1595, 2813, 3047, 3201, 4155, 4785, 5335, 8033, 8439, 9141, 14065, 15235, 16005, 24099, 26869, 30943, 40165, 42195, 45705, 80607, 88363, 92829, 120495, 134345, 154715, 265089, 295559, 403035, 441815, 464145, 779201, 886677, 1325445, 1477795, 2337603, 3896005, 4433385, 8571211, 11688015, 25713633, 42856055, 128568165]

約数ペア:

[(1, 128568165), (3, 42856055), (5, 25713633), (11, 11688015), (15, 8571211), (29, 4433385), (33, 3896005), (55, 2337603), (87, 1477795), (97, 1325445), (145, 886677), (165, 779201), (277, 464145), (291, 441815), (319, 403035), (435, 295559), (485, 265089), (831, 154715), (957, 134345), (1067, 120495), (1385, 92829), (1455, 88363), (1595, 80607), (2813, 45705), (3047, 42195), (3201, 40165), (4155, 30943), (4785, 26869), (5335, 24099), (8033, 16005), (8439, 15235), (9141, 14065)]