80863920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12479}}^1$

素因数の和:12504

約数の個数: 100

約数和(自身を含む): 280874880

約数和(自身を除く): 200010960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12479, 24958, 37437, 49916, 62395, 74874, 99832, 112311, 124790, 149748, 187185, 199664, 224622, 249580, 299496, 336933, 374370, 449244, 499160, 561555, 598992, 673866, 748740, 898488, 998320, 1010799, 1123110, 1347732, 1497480, 1684665, 1796976, 2021598, 2246220, 2695464, 2994960, 3369330, 4043196, 4492440, 5053995, 5390928, 6738660, 8086392, 8984880, 10107990, 13477320, 16172784, 20215980, 26954640, 40431960, 80863920]

約数ペア:

[(1, 80863920), (2, 40431960), (3, 26954640), (4, 20215980), (5, 16172784), (6, 13477320), (8, 10107990), (9, 8984880), (10, 8086392), (12, 6738660), (15, 5390928), (16, 5053995), (18, 4492440), (20, 4043196), (24, 3369330), (27, 2994960), (30, 2695464), (36, 2246220), (40, 2021598), (45, 1796976), (48, 1684665), (54, 1497480), (60, 1347732), (72, 1123110), (80, 1010799), (81, 998320), (90, 898488), (108, 748740), (120, 673866), (135, 598992), (144, 561555), (162, 499160), (180, 449244), (216, 374370), (240, 336933), (270, 299496), (324, 249580), (360, 224622), (405, 199664), (432, 187185), (540, 149748), (648, 124790), (720, 112311), (810, 99832), (1080, 74874), (1296, 62395), (1620, 49916), (2160, 37437), (3240, 24958), (6480, 12479)]