68707815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 126282240

約数和(自身を除く): 57574425

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 83, 87, 145, 165, 173, 249, 319, 415, 435, 519, 865, 913, 957, 1245, 1595, 1903, 2407, 2595, 2739, 4565, 4785, 5017, 5709, 7221, 9515, 12035, 13695, 14359, 15051, 25085, 26477, 28545, 36105, 43077, 55187, 71795, 75255, 79431, 132385, 157949, 165561, 215385, 275935, 397155, 416411, 473847, 789745, 827805, 1249233, 2082055, 2369235, 4580521, 6246165, 13741563, 22902605, 68707815]

約数ペア:

[(1, 68707815), (3, 22902605), (5, 13741563), (11, 6246165), (15, 4580521), (29, 2369235), (33, 2082055), (55, 1249233), (83, 827805), (87, 789745), (145, 473847), (165, 416411), (173, 397155), (249, 275935), (319, 215385), (415, 165561), (435, 157949), (519, 132385), (865, 79431), (913, 75255), (957, 71795), (1245, 55187), (1595, 43077), (1903, 36105), (2407, 28545), (2595, 26477), (2739, 25085), (4565, 15051), (4785, 14359), (5017, 13695), (5709, 12035), (7221, 9515)]