128404440

素因数分解:

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

素因数の和:39654

約数の個数: 80

約数和(自身を含む): 431592480

約数和(自身を除く): 303188040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 39631, 79262, 118893, 158524, 198155, 237786, 317048, 356679, 396310, 475572, 594465, 713358, 792620, 951144, 1070037, 1188930, 1426716, 1585240, 1783395, 2140074, 2377860, 2853432, 3210111, 3566790, 4280148, 4755720, 5350185, 6420222, 7133580, 8560296, 10700370, 12840444, 14267160, 16050555, 21400740, 25680888, 32101110, 42801480, 64202220, 128404440]

約数ペア:

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