71760080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 192368640

約数和(自身を除く): 120608560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1009, 1016, 1270, 1778, 2018, 2032, 2540, 3556, 4036, 4445, 5045, 5080, 7063, 7112, 8072, 8890, 10090, 10160, 14126, 14224, 16144, 17780, 20180, 28252, 35315, 35560, 40360, 56504, 70630, 71120, 80720, 113008, 128143, 141260, 256286, 282520, 512572, 565040, 640715, 897001, 1025144, 1281430, 1794002, 2050288, 2562860, 3588004, 4485005, 5125720, 7176008, 8970010, 10251440, 14352016, 17940020, 35880040, 71760080]

約数ペア:

[(1, 71760080), (2, 35880040), (4, 17940020), (5, 14352016), (7, 10251440), (8, 8970010), (10, 7176008), (14, 5125720), (16, 4485005), (20, 3588004), (28, 2562860), (35, 2050288), (40, 1794002), (56, 1281430), (70, 1025144), (80, 897001), (112, 640715), (127, 565040), (140, 512572), (254, 282520), (280, 256286), (508, 141260), (560, 128143), (635, 113008), (889, 80720), (1009, 71120), (1016, 70630), (1270, 56504), (1778, 40360), (2018, 35560), (2032, 35315), (2540, 28252), (3556, 20180), (4036, 17780), (4445, 16144), (5045, 14224), (5080, 14126), (7063, 10160), (7112, 10090), (8072, 8890)]