80458468415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{89}}^2$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 110101133184

約数和(自身を除く): 29642664769

約数列:

[1, 5, 13, 31, 65, 71, 89, 155, 355, 403, 445, 923, 1157, 2015, 2201, 2759, 4615, 5041, 5785, 6319, 7921, 11005, 13795, 25205, 28613, 31595, 35867, 39605, 65533, 82147, 102973, 143065, 156271, 179335, 195889, 245551, 327665, 410735, 448649, 514865, 562391, 781355, 979445, 1227755, 2031523, 2243245, 2546557, 2811955, 3192163, 5832437, 7311083, 10157615, 12732785, 13908119, 15960815, 17434121, 29162185, 36555415, 39929761, 69540595, 87170605, 180805547, 199648805, 226643573, 519086893, 904027735, 1133217865, 1237822591, 2595434465, 6189112955, 16091693683, 80458468415]

約数ペア:

[(1, 80458468415), (5, 16091693683), (13, 6189112955), (31, 2595434465), (65, 1237822591), (71, 1133217865), (89, 904027735), (155, 519086893), (355, 226643573), (403, 199648805), (445, 180805547), (923, 87170605), (1157, 69540595), (2015, 39929761), (2201, 36555415), (2759, 29162185), (4615, 17434121), (5041, 15960815), (5785, 13908119), (6319, 12732785), (7921, 10157615), (11005, 7311083), (13795, 5832437), (25205, 3192163), (28613, 2811955), (31595, 2546557), (35867, 2243245), (39605, 2031523), (65533, 1227755), (82147, 979445), (102973, 781355), (143065, 562391), (156271, 514865), (179335, 448649), (195889, 410735), (245551, 327665)]