20697813120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{21179}}^1$

素因数の和:21710

約数の個数: 128

約数和(自身を含む): 66107016000

約数和(自身を除く): 45409202880

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, 128, 160, 192, 240, 320, 384, 480, 509, 640, 960, 1018, 1527, 1920, 2036, 2545, 3054, 4072, 5090, 6108, 7635, 8144, 10180, 12216, 15270, 16288, 20360, 21179, 24432, 30540, 32576, 40720, 42358, 48864, 61080, 63537, 65152, 81440, 84716, 97728, 105895, 122160, 127074, 162880, 169432, 195456, 211790, 244320, 254148, 317685, 325760, 338864, 423580, 488640, 508296, 635370, 677728, 847160, 977280, 1016592, 1270740, 1355456, 1694320, 2033184, 2541480, 2710912, 3388640, 4066368, 5082960, 6777280, 8132736, 10165920, 10780111, 13554560, 20331840, 21560222, 32340333, 40663680, 43120444, 53900555, 64680666, 86240888, 107801110, 129361332, 161701665, 172481776, 215602220, 258722664, 323403330, 344963552, 431204440, 517445328, 646806660, 689927104, 862408880, 1034890656, 1293613320, 1379854208, 1724817760, 2069781312, 2587226640, 3449635520, 4139562624, 5174453280, 6899271040, 10348906560, 20697813120]

約数ペア:

[(1, 20697813120), (2, 10348906560), (3, 6899271040), (4, 5174453280), (5, 4139562624), (6, 3449635520), (8, 2587226640), (10, 2069781312), (12, 1724817760), (15, 1379854208), (16, 1293613320), (20, 1034890656), (24, 862408880), (30, 689927104), (32, 646806660), (40, 517445328), (48, 431204440), (60, 344963552), (64, 323403330), (80, 258722664), (96, 215602220), (120, 172481776), (128, 161701665), (160, 129361332), (192, 107801110), (240, 86240888), (320, 64680666), (384, 53900555), (480, 43120444), (509, 40663680), (640, 32340333), (960, 21560222), (1018, 20331840), (1527, 13554560), (1920, 10780111), (2036, 10165920), (2545, 8132736), (3054, 6777280), (4072, 5082960), (5090, 4066368), (6108, 3388640), (7635, 2710912), (8144, 2541480), (10180, 2033184), (12216, 1694320), (15270, 1355456), (16288, 1270740), (20360, 1016592), (21179, 977280), (24432, 847160), (30540, 677728), (32576, 635370), (40720, 508296), (42358, 488640), (48864, 423580), (61080, 338864), (63537, 325760), (65152, 317685), (81440, 254148), (84716, 244320), (97728, 211790), (105895, 195456), (122160, 169432), (127074, 162880)]