20038751520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{1913}}^1$

素因数の和:2227

約数の個数: 192

約数和(自身を含む): 64014572160

約数和(自身を除く): 43975820640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 157, 160, 240, 278, 314, 417, 471, 480, 556, 628, 695, 785, 834, 942, 1112, 1256, 1390, 1570, 1668, 1884, 1913, 2085, 2224, 2355, 2512, 2780, 3140, 3336, 3768, 3826, 4170, 4448, 4710, 5024, 5560, 5739, 6280, 6672, 7536, 7652, 8340, 9420, 9565, 11120, 11478, 12560, 13344, 15072, 15304, 16680, 18840, 19130, 21823, 22240, 22956, 25120, 28695, 30608, 33360, 37680, 38260, 43646, 45912, 57390, 61216, 65469, 66720, 75360, 76520, 87292, 91824, 109115, 114780, 130938, 153040, 174584, 183648, 218230, 229560, 261876, 265907, 300341, 306080, 327345, 349168, 436460, 459120, 523752, 531814, 600682, 654690, 698336, 797721, 872920, 901023, 918240, 1047504, 1063628, 1201364, 1309380, 1329535, 1501705, 1595442, 1745840, 1802046, 2095008, 2127256, 2402728, 2618760, 2659070, 3003410, 3190884, 3491680, 3604092, 3988605, 4254512, 4505115, 4805456, 5237520, 5318140, 6006820, 6381768, 7208184, 7977210, 8509024, 9010230, 9610912, 10475040, 10636280, 12013640, 12763536, 14416368, 15954420, 18020460, 21272560, 24027280, 25527072, 28832736, 31908840, 36040920, 41747399, 42545120, 48054560, 63817680, 72081840, 83494798, 125242197, 127635360, 144163680, 166989596, 208736995, 250484394, 333979192, 417473990, 500968788, 626210985, 667958384, 834947980, 1001937576, 1252421970, 1335916768, 1669895960, 2003875152, 2504843940, 3339791920, 4007750304, 5009687880, 6679583840, 10019375760, 20038751520]

約数ペア:

[(1, 20038751520), (2, 10019375760), (3, 6679583840), (4, 5009687880), (5, 4007750304), (6, 3339791920), (8, 2504843940), (10, 2003875152), (12, 1669895960), (15, 1335916768), (16, 1252421970), (20, 1001937576), (24, 834947980), (30, 667958384), (32, 626210985), (40, 500968788), (48, 417473990), (60, 333979192), (80, 250484394), (96, 208736995), (120, 166989596), (139, 144163680), (157, 127635360), (160, 125242197), (240, 83494798), (278, 72081840), (314, 63817680), (417, 48054560), (471, 42545120), (480, 41747399), (556, 36040920), (628, 31908840), (695, 28832736), (785, 25527072), (834, 24027280), (942, 21272560), (1112, 18020460), (1256, 15954420), (1390, 14416368), (1570, 12763536), (1668, 12013640), (1884, 10636280), (1913, 10475040), (2085, 9610912), (2224, 9010230), (2355, 8509024), (2512, 7977210), (2780, 7208184), (3140, 6381768), (3336, 6006820), (3768, 5318140), (3826, 5237520), (4170, 4805456), (4448, 4505115), (4710, 4254512), (5024, 3988605), (5560, 3604092), (5739, 3491680), (6280, 3190884), (6672, 3003410), (7536, 2659070), (7652, 2618760), (8340, 2402728), (9420, 2127256), (9565, 2095008), (11120, 1802046), (11478, 1745840), (12560, 1595442), (13344, 1501705), (15072, 1329535), (15304, 1309380), (16680, 1201364), (18840, 1063628), (19130, 1047504), (21823, 918240), (22240, 901023), (22956, 872920), (25120, 797721), (28695, 698336), (30608, 654690), (33360, 600682), (37680, 531814), (38260, 523752), (43646, 459120), (45912, 436460), (57390, 349168), (61216, 327345), (65469, 306080), (66720, 300341), (75360, 265907), (76520, 261876), (87292, 229560), (91824, 218230), (109115, 183648), (114780, 174584), (130938, 153040)]