1389788640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{965131}}^1$

素因数の和:965152

約数の個数: 72

約数和(自身を含む): 4742658648

約数和(自身を除く): 3352870008

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, 965131, 1930262, 2895393, 3860524, 4825655, 5790786, 7721048, 8686179, 9651310, 11581572, 14476965, 15442096, 17372358, 19302620, 23163144, 28953930, 30884192, 34744716, 38605240, 43430895, 46326288, 57907860, 69489432, 77210480, 86861790, 92652576, 115815720, 138978864, 154420960, 173723580, 231631440, 277957728, 347447160, 463262880, 694894320, 1389788640]

約数ペア:

[(1, 1389788640), (2, 694894320), (3, 463262880), (4, 347447160), (5, 277957728), (6, 231631440), (8, 173723580), (9, 154420960), (10, 138978864), (12, 115815720), (15, 92652576), (16, 86861790), (18, 77210480), (20, 69489432), (24, 57907860), (30, 46326288), (32, 43430895), (36, 38605240), (40, 34744716), (45, 30884192), (48, 28953930), (60, 23163144), (72, 19302620), (80, 17372358), (90, 15442096), (96, 14476965), (120, 11581572), (144, 9651310), (160, 8686179), (180, 7721048), (240, 5790786), (288, 4825655), (360, 3860524), (480, 2895393), (720, 1930262), (1440, 965131)]