278940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4649}}^1$

素因数の和:4661

約数の個数: 24

約数和(自身を含む): 781200

約数和(自身を除く): 502260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4649, 9298, 13947, 18596, 23245, 27894, 46490, 55788, 69735, 92980, 139470, 278940]

約数ペア:

[(1, 278940), (2, 139470), (3, 92980), (4, 69735), (5, 55788), (6, 46490), (10, 27894), (12, 23245), (15, 18596), (20, 13947), (30, 9298), (60, 4649)]