15894420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2731}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 44979648

約数和(自身を除く): 29085228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2731, 2910, 5462, 5820, 8193, 10924, 13655, 16386, 27310, 32772, 40965, 54620, 81930, 163860, 264907, 529814, 794721, 1059628, 1324535, 1589442, 2649070, 3178884, 3973605, 5298140, 7947210, 15894420]

約数ペア:

[(1, 15894420), (2, 7947210), (3, 5298140), (4, 3973605), (5, 3178884), (6, 2649070), (10, 1589442), (12, 1324535), (15, 1059628), (20, 794721), (30, 529814), (60, 264907), (97, 163860), (194, 81930), (291, 54620), (388, 40965), (485, 32772), (582, 27310), (970, 16386), (1164, 13655), (1455, 10924), (1940, 8193), (2731, 5820), (2910, 5462)]