78517880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14759}}^1$

素因数の和:14796

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 134026120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 14759, 29518, 59036, 73795, 103313, 118072, 147590, 206626, 280421, 295180, 413252, 516565, 560842, 590360, 826504, 1033130, 1121684, 1402105, 1962947, 2066260, 2243368, 2804210, 3925894, 4132520, 5608420, 7851788, 9814735, 11216840, 15703576, 19629470, 39258940, 78517880]

約数ペア:

[(1, 78517880), (2, 39258940), (4, 19629470), (5, 15703576), (7, 11216840), (8, 9814735), (10, 7851788), (14, 5608420), (19, 4132520), (20, 3925894), (28, 2804210), (35, 2243368), (38, 2066260), (40, 1962947), (56, 1402105), (70, 1121684), (76, 1033130), (95, 826504), (133, 590360), (140, 560842), (152, 516565), (190, 413252), (266, 295180), (280, 280421), (380, 206626), (532, 147590), (665, 118072), (760, 103313), (1064, 73795), (1330, 59036), (2660, 29518), (5320, 14759)]