438331520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 1255824000

約数和(自身を除く): 817492480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 29, 32, 38, 40, 44, 55, 58, 64, 76, 80, 88, 95, 110, 113, 116, 128, 145, 152, 160, 176, 190, 209, 220, 226, 232, 290, 304, 319, 320, 352, 380, 418, 440, 452, 464, 551, 565, 580, 608, 638, 640, 704, 760, 836, 880, 904, 928, 1045, 1102, 1130, 1160, 1216, 1243, 1276, 1408, 1520, 1595, 1672, 1760, 1808, 1856, 2090, 2147, 2204, 2260, 2320, 2432, 2486, 2552, 2755, 3040, 3190, 3277, 3344, 3520, 3616, 3712, 4180, 4294, 4408, 4520, 4640, 4972, 5104, 5510, 6061, 6080, 6215, 6380, 6554, 6688, 7040, 7232, 8360, 8588, 8816, 9040, 9280, 9944, 10208, 10735, 11020, 12122, 12160, 12430, 12760, 13108, 13376, 14464, 16385, 16720, 17176, 17632, 18080, 18560, 19888, 20416, 21470, 22040, 23617, 24244, 24860, 25520, 26216, 26752, 30305, 32770, 33440, 34352, 35264, 36047, 36160, 39776, 40832, 42940, 44080, 47234, 48488, 49720, 51040, 52432, 60610, 62263, 65540, 66880, 68704, 70528, 72094, 72320, 79552, 85880, 88160, 94468, 96976, 99440, 102080, 104864, 118085, 121220, 124526, 131080, 133760, 137408, 144188, 159104, 171760, 176320, 180235, 188936, 193952, 198880, 204160, 209728, 236170, 242440, 249052, 262160, 274816, 288376, 311315, 343520, 352640, 360470, 377872, 387904, 397760, 419456, 472340, 484880, 498104, 524320, 576752, 622630, 684893, 687040, 720940, 755744, 775808, 795520, 944680, 969760, 996208, 1048640, 1153504, 1245260, 1369786, 1374080, 1441880, 1511488, 1889360, 1939520, 1992416, 2097280, 2307008, 2490520, 2739572, 2883760, 3022976, 3424465, 3778720, 3879040, 3984832, 4614016, 4981040, 5479144, 5767520, 6848930, 7557440, 7969664, 9962080, 10958288, 11535040, 13697860, 15114880, 19924160, 21916576, 23070080, 27395720, 39848320, 43833152, 54791440, 87666304, 109582880, 219165760, 438331520]

約数ペア:

[(1, 438331520), (2, 219165760), (4, 109582880), (5, 87666304), (8, 54791440), (10, 43833152), (11, 39848320), (16, 27395720), (19, 23070080), (20, 21916576), (22, 19924160), (29, 15114880), (32, 13697860), (38, 11535040), (40, 10958288), (44, 9962080), (55, 7969664), (58, 7557440), (64, 6848930), (76, 5767520), (80, 5479144), (88, 4981040), (95, 4614016), (110, 3984832), (113, 3879040), (116, 3778720), (128, 3424465), (145, 3022976), (152, 2883760), (160, 2739572), (176, 2490520), (190, 2307008), (209, 2097280), (220, 1992416), (226, 1939520), (232, 1889360), (290, 1511488), (304, 1441880), (319, 1374080), (320, 1369786), (352, 1245260), (380, 1153504), (418, 1048640), (440, 996208), (452, 969760), (464, 944680), (551, 795520), (565, 775808), (580, 755744), (608, 720940), (638, 687040), (640, 684893), (704, 622630), (760, 576752), (836, 524320), (880, 498104), (904, 484880), (928, 472340), (1045, 419456), (1102, 397760), (1130, 387904), (1160, 377872), (1216, 360470), (1243, 352640), (1276, 343520), (1408, 311315), (1520, 288376), (1595, 274816), (1672, 262160), (1760, 249052), (1808, 242440), (1856, 236170), (2090, 209728), (2147, 204160), (2204, 198880), (2260, 193952), (2320, 188936), (2432, 180235), (2486, 176320), (2552, 171760), (2755, 159104), (3040, 144188), (3190, 137408), (3277, 133760), (3344, 131080), (3520, 124526), (3616, 121220), (3712, 118085), (4180, 104864), (4294, 102080), (4408, 99440), (4520, 96976), (4640, 94468), (4972, 88160), (5104, 85880), (5510, 79552), (6061, 72320), (6080, 72094), (6215, 70528), (6380, 68704), (6554, 66880), (6688, 65540), (7040, 62263), (7232, 60610), (8360, 52432), (8588, 51040), (8816, 49720), (9040, 48488), (9280, 47234), (9944, 44080), (10208, 42940), (10735, 40832), (11020, 39776), (12122, 36160), (12160, 36047), (12430, 35264), (12760, 34352), (13108, 33440), (13376, 32770), (14464, 30305), (16385, 26752), (16720, 26216), (17176, 25520), (17632, 24860), (18080, 24244), (18560, 23617), (19888, 22040), (20416, 21470)]