15999180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2749}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 45276000

約数和(自身を除く): 29276820

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, 2749, 2910, 5498, 5820, 8247, 10996, 13745, 16494, 27490, 32988, 41235, 54980, 82470, 164940, 266653, 533306, 799959, 1066612, 1333265, 1599918, 2666530, 3199836, 3999795, 5333060, 7999590, 15999180]

約数ペア:

[(1, 15999180), (2, 7999590), (3, 5333060), (4, 3999795), (5, 3199836), (6, 2666530), (10, 1599918), (12, 1333265), (15, 1066612), (20, 799959), (30, 533306), (60, 266653), (97, 164940), (194, 82470), (291, 54980), (388, 41235), (485, 32988), (582, 27490), (970, 16494), (1164, 13745), (1455, 10996), (1940, 8247), (2749, 5820), (2910, 5498)]