489068640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{339631}}^1$

素因数の和:339652

約数の個数: 72

約数和(自身を含む): 1668951648

約数和(自身を除く): 1179883008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 339631, 679262, 1018893, 1358524, 1698155, 2037786, 2717048, 3056679, 3396310, 4075572, 5094465, 5434096, 6113358, 6792620, 8151144, 10188930, 10868192, 12226716, 13585240, 15283395, 16302288, 20377860, 24453432, 27170480, 30566790, 32604576, 40755720, 48906864, 54340960, 61133580, 81511440, 97813728, 122267160, 163022880, 244534320, 489068640]

約数ペア:

[(1, 489068640), (2, 244534320), (3, 163022880), (4, 122267160), (5, 97813728), (6, 81511440), (8, 61133580), (9, 54340960), (10, 48906864), (12, 40755720), (15, 32604576), (16, 30566790), (18, 27170480), (20, 24453432), (24, 20377860), (30, 16302288), (32, 15283395), (36, 13585240), (40, 12226716), (45, 10868192), (48, 10188930), (60, 8151144), (72, 6792620), (80, 6113358), (90, 5434096), (96, 5094465), (120, 4075572), (144, 3396310), (160, 3056679), (180, 2717048), (240, 2037786), (288, 1698155), (360, 1358524), (480, 1018893), (720, 679262), (1440, 339631)]