68940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 209664

約数和(自身を除く): 140724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 11490, 13788, 17235, 22980, 34470, 68940]

約数ペア:

[(1, 68940), (2, 34470), (3, 22980), (4, 17235), (5, 13788), (6, 11490), (9, 7660), (10, 6894), (12, 5745), (15, 4596), (18, 3830), (20, 3447), (30, 2298), (36, 1915), (45, 1532), (60, 1149), (90, 766), (180, 383)]