81337920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:652

約数の個数: 112

約数和(自身を含む): 260177280

約数和(自身を除く): 178839360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 193, 240, 320, 386, 439, 480, 579, 772, 878, 960, 965, 1158, 1317, 1544, 1756, 1930, 2195, 2316, 2634, 2895, 3088, 3512, 3860, 4390, 4632, 5268, 5790, 6176, 6585, 7024, 7720, 8780, 9264, 10536, 11580, 12352, 13170, 14048, 15440, 17560, 18528, 21072, 23160, 26340, 28096, 30880, 35120, 37056, 42144, 46320, 52680, 61760, 70240, 84288, 84727, 92640, 105360, 140480, 169454, 185280, 210720, 254181, 338908, 421440, 423635, 508362, 677816, 847270, 1016724, 1270905, 1355632, 1694540, 2033448, 2541810, 2711264, 3389080, 4066896, 5083620, 5422528, 6778160, 8133792, 10167240, 13556320, 16267584, 20334480, 27112640, 40668960, 81337920]

約数ペア:

[(1, 81337920), (2, 40668960), (3, 27112640), (4, 20334480), (5, 16267584), (6, 13556320), (8, 10167240), (10, 8133792), (12, 6778160), (15, 5422528), (16, 5083620), (20, 4066896), (24, 3389080), (30, 2711264), (32, 2541810), (40, 2033448), (48, 1694540), (60, 1355632), (64, 1270905), (80, 1016724), (96, 847270), (120, 677816), (160, 508362), (192, 423635), (193, 421440), (240, 338908), (320, 254181), (386, 210720), (439, 185280), (480, 169454), (579, 140480), (772, 105360), (878, 92640), (960, 84727), (965, 84288), (1158, 70240), (1317, 61760), (1544, 52680), (1756, 46320), (1930, 42144), (2195, 37056), (2316, 35120), (2634, 30880), (2895, 28096), (3088, 26340), (3512, 23160), (3860, 21072), (4390, 18528), (4632, 17560), (5268, 15440), (5790, 14048), (6176, 13170), (6585, 12352), (7024, 11580), (7720, 10536), (8780, 9264)]