123164640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{85531}}^1$

素因数の和:85552

約数の個数: 72

約数和(自身を含む): 420304248

約数和(自身を除く): 297139608

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, 85531, 171062, 256593, 342124, 427655, 513186, 684248, 769779, 855310, 1026372, 1282965, 1368496, 1539558, 1710620, 2052744, 2565930, 2736992, 3079116, 3421240, 3848895, 4105488, 5131860, 6158232, 6842480, 7697790, 8210976, 10263720, 12316464, 13684960, 15395580, 20527440, 24632928, 30791160, 41054880, 61582320, 123164640]

約数ペア:

[(1, 123164640), (2, 61582320), (3, 41054880), (4, 30791160), (5, 24632928), (6, 20527440), (8, 15395580), (9, 13684960), (10, 12316464), (12, 10263720), (15, 8210976), (16, 7697790), (18, 6842480), (20, 6158232), (24, 5131860), (30, 4105488), (32, 3848895), (36, 3421240), (40, 3079116), (45, 2736992), (48, 2565930), (60, 2052744), (72, 1710620), (80, 1539558), (90, 1368496), (96, 1282965), (120, 1026372), (144, 855310), (160, 769779), (180, 684248), (240, 513186), (288, 427655), (360, 342124), (480, 256593), (720, 171062), (1440, 85531)]