13921980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13649}}^1$

素因数の和:13678

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 27355620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 13649, 27298, 40947, 54596, 68245, 81894, 136490, 163788, 204735, 232033, 272980, 409470, 464066, 696099, 818940, 928132, 1160165, 1392198, 2320330, 2784396, 3480495, 4640660, 6960990, 13921980]

約数ペア:

[(1, 13921980), (2, 6960990), (3, 4640660), (4, 3480495), (5, 2784396), (6, 2320330), (10, 1392198), (12, 1160165), (15, 928132), (17, 818940), (20, 696099), (30, 464066), (34, 409470), (51, 272980), (60, 232033), (68, 204735), (85, 163788), (102, 136490), (170, 81894), (204, 68245), (255, 54596), (340, 40947), (510, 27298), (1020, 13649)]