85625680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 229806720

約数和(自身を除く): 144181040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1429, 1498, 1712, 2140, 2858, 2996, 3745, 4280, 5716, 5992, 7145, 7490, 8560, 10003, 11432, 11984, 14290, 14980, 20006, 22864, 28580, 29960, 40012, 50015, 57160, 59920, 80024, 100030, 114320, 152903, 160048, 200060, 305806, 400120, 611612, 764515, 800240, 1070321, 1223224, 1529030, 2140642, 2446448, 3058060, 4281284, 5351605, 6116120, 8562568, 10703210, 12232240, 17125136, 21406420, 42812840, 85625680]

約数ペア:

[(1, 85625680), (2, 42812840), (4, 21406420), (5, 17125136), (7, 12232240), (8, 10703210), (10, 8562568), (14, 6116120), (16, 5351605), (20, 4281284), (28, 3058060), (35, 2446448), (40, 2140642), (56, 1529030), (70, 1223224), (80, 1070321), (107, 800240), (112, 764515), (140, 611612), (214, 400120), (280, 305806), (428, 200060), (535, 160048), (560, 152903), (749, 114320), (856, 100030), (1070, 80024), (1429, 59920), (1498, 57160), (1712, 50015), (2140, 40012), (2858, 29960), (2996, 28580), (3745, 22864), (4280, 20006), (5716, 14980), (5992, 14290), (7145, 11984), (7490, 11432), (8560, 10003)]