1609180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 3437280

約数和(自身を除く): 1828100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1319, 2638, 5276, 6595, 13190, 26380, 80459, 160918, 321836, 402295, 804590, 1609180]

約数ペア:

[(1, 1609180), (2, 804590), (4, 402295), (5, 321836), (10, 160918), (20, 80459), (61, 26380), (122, 13190), (244, 6595), (305, 5276), (610, 2638), (1220, 1319)]