78917880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657649}}^1$

素因数の和:657663

約数の個数: 32

約数和(自身を含む): 236754000

約数和(自身を除く): 157836120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657649, 1315298, 1972947, 2630596, 3288245, 3945894, 5261192, 6576490, 7891788, 9864735, 13152980, 15783576, 19729470, 26305960, 39458940, 78917880]

約数ペア:

[(1, 78917880), (2, 39458940), (3, 26305960), (4, 19729470), (5, 15783576), (6, 13152980), (8, 9864735), (10, 7891788), (12, 6576490), (15, 5261192), (20, 3945894), (24, 3288245), (30, 2630596), (40, 1972947), (60, 1315298), (120, 657649)]