1218556440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1128293}}^1$

素因数の和:1128313

約数の個数: 64

約数和(自身を含む): 4061858400

約数和(自身を除く): 2843301960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1128293, 2256586, 3384879, 4513172, 5641465, 6769758, 9026344, 10154637, 11282930, 13539516, 16924395, 20309274, 22565860, 27079032, 30463911, 33848790, 40618548, 45131720, 50773185, 60927822, 67697580, 81237096, 101546370, 121855644, 135395160, 152319555, 203092740, 243711288, 304639110, 406185480, 609278220, 1218556440]

約数ペア:

[(1, 1218556440), (2, 609278220), (3, 406185480), (4, 304639110), (5, 243711288), (6, 203092740), (8, 152319555), (9, 135395160), (10, 121855644), (12, 101546370), (15, 81237096), (18, 67697580), (20, 60927822), (24, 50773185), (27, 45131720), (30, 40618548), (36, 33848790), (40, 30463911), (45, 27079032), (54, 22565860), (60, 20309274), (72, 16924395), (90, 13539516), (108, 11282930), (120, 10154637), (135, 9026344), (180, 6769758), (216, 5641465), (270, 4513172), (360, 3384879), (540, 2256586), (1080, 1128293)]