79178940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439883}}^1$

素因数の和:439898

約数の個数: 36

約数和(自身を含む): 240176664

約数和(自身を除く): 160997724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439883, 879766, 1319649, 1759532, 2199415, 2639298, 3958947, 4398830, 5278596, 6598245, 7917894, 8797660, 13196490, 15835788, 19794735, 26392980, 39589470, 79178940]

約数ペア:

[(1, 79178940), (2, 39589470), (3, 26392980), (4, 19794735), (5, 15835788), (6, 13196490), (9, 8797660), (10, 7917894), (12, 6598245), (15, 5278596), (18, 4398830), (20, 3958947), (30, 2639298), (36, 2199415), (45, 1759532), (60, 1319649), (90, 879766), (180, 439883)]