80747870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 173408256

約数和(自身を除く): 92660386

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 127, 155, 217, 254, 293, 310, 434, 586, 635, 889, 1085, 1270, 1465, 1778, 2051, 2170, 2930, 3937, 4102, 4445, 7874, 8890, 9083, 10255, 18166, 19685, 20510, 27559, 37211, 39370, 45415, 55118, 63581, 74422, 90830, 127162, 137795, 186055, 260477, 275590, 317905, 372110, 520954, 635810, 1153541, 1302385, 2307082, 2604770, 5767705, 8074787, 11535410, 16149574, 40373935, 80747870]

約数ペア:

[(1, 80747870), (2, 40373935), (5, 16149574), (7, 11535410), (10, 8074787), (14, 5767705), (31, 2604770), (35, 2307082), (62, 1302385), (70, 1153541), (127, 635810), (155, 520954), (217, 372110), (254, 317905), (293, 275590), (310, 260477), (434, 186055), (586, 137795), (635, 127162), (889, 90830), (1085, 74422), (1270, 63581), (1465, 55118), (1778, 45415), (2051, 39370), (2170, 37211), (2930, 27559), (3937, 20510), (4102, 19685), (4445, 18166), (7874, 10255), (8890, 9083)]