256808880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{39631}}^1$

素因数の和:39656

約数の個数: 100

約数和(自身を含む): 891957792

約数和(自身を除く): 635148912

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, 39631, 79262, 118893, 158524, 198155, 237786, 317048, 356679, 396310, 475572, 594465, 634096, 713358, 792620, 951144, 1070037, 1188930, 1426716, 1585240, 1783395, 1902288, 2140074, 2377860, 2853432, 3170480, 3210111, 3566790, 4280148, 4755720, 5350185, 5706864, 6420222, 7133580, 8560296, 9511440, 10700370, 12840444, 14267160, 16050555, 17120592, 21400740, 25680888, 28534320, 32101110, 42801480, 51361776, 64202220, 85602960, 128404440, 256808880]

約数ペア:

[(1, 256808880), (2, 128404440), (3, 85602960), (4, 64202220), (5, 51361776), (6, 42801480), (8, 32101110), (9, 28534320), (10, 25680888), (12, 21400740), (15, 17120592), (16, 16050555), (18, 14267160), (20, 12840444), (24, 10700370), (27, 9511440), (30, 8560296), (36, 7133580), (40, 6420222), (45, 5706864), (48, 5350185), (54, 4755720), (60, 4280148), (72, 3566790), (80, 3210111), (81, 3170480), (90, 2853432), (108, 2377860), (120, 2140074), (135, 1902288), (144, 1783395), (162, 1585240), (180, 1426716), (216, 1188930), (240, 1070037), (270, 951144), (324, 792620), (360, 713358), (405, 634096), (432, 594465), (540, 475572), (648, 396310), (720, 356679), (810, 317048), (1080, 237786), (1296, 198155), (1620, 158524), (2160, 118893), (3240, 79262), (6480, 39631)]