261630720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1787

約数の個数: 216

約数和(自身を含む): 975404976

約数和(自身を除く): 713774256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1560, 1664, 1747, 1872, 1920, 2080, 2304, 2340, 2496, 2880, 3120, 3328, 3494, 3744, 3840, 4160, 4680, 4992, 5241, 5760, 6240, 6988, 7488, 8320, 8735, 9360, 9984, 10482, 11520, 12480, 13976, 14976, 15723, 16640, 17470, 18720, 20964, 22711, 24960, 26205, 27952, 29952, 31446, 34940, 37440, 41928, 45422, 49920, 52410, 55904, 62892, 68133, 69880, 74880, 78615, 83856, 90844, 104820, 111808, 113555, 125784, 136266, 139760, 149760, 157230, 167712, 181688, 204399, 209640, 223616, 227110, 251568, 272532, 279520, 314460, 335424, 340665, 363376, 408798, 419280, 447232, 454220, 503136, 545064, 559040, 628920, 670848, 681330, 726752, 817596, 838560, 908440, 1006272, 1021995, 1090128, 1118080, 1257840, 1341696, 1362660, 1453504, 1635192, 1677120, 1816880, 2012544, 2043990, 2180256, 2236160, 2515680, 2725320, 2907008, 3270384, 3354240, 3633760, 4025088, 4087980, 4360512, 5031360, 5450640, 5814016, 6540768, 6708480, 7267520, 8175960, 8721024, 10062720, 10901280, 13081536, 14535040, 16351920, 17442048, 20125440, 21802560, 26163072, 29070080, 32703840, 43605120, 52326144, 65407680, 87210240, 130815360, 261630720]

約数ペア:

[(1, 261630720), (2, 130815360), (3, 87210240), (4, 65407680), (5, 52326144), (6, 43605120), (8, 32703840), (9, 29070080), (10, 26163072), (12, 21802560), (13, 20125440), (15, 17442048), (16, 16351920), (18, 14535040), (20, 13081536), (24, 10901280), (26, 10062720), (30, 8721024), (32, 8175960), (36, 7267520), (39, 6708480), (40, 6540768), (45, 5814016), (48, 5450640), (52, 5031360), (60, 4360512), (64, 4087980), (65, 4025088), (72, 3633760), (78, 3354240), (80, 3270384), (90, 2907008), (96, 2725320), (104, 2515680), (117, 2236160), (120, 2180256), (128, 2043990), (130, 2012544), (144, 1816880), (156, 1677120), (160, 1635192), (180, 1453504), (192, 1362660), (195, 1341696), (208, 1257840), (234, 1118080), (240, 1090128), (256, 1021995), (260, 1006272), (288, 908440), (312, 838560), (320, 817596), (360, 726752), (384, 681330), (390, 670848), (416, 628920), (468, 559040), (480, 545064), (520, 503136), (576, 454220), (585, 447232), (624, 419280), (640, 408798), (720, 363376), (768, 340665), (780, 335424), (832, 314460), (936, 279520), (960, 272532), (1040, 251568), (1152, 227110), (1170, 223616), (1248, 209640), (1280, 204399), (1440, 181688), (1560, 167712), (1664, 157230), (1747, 149760), (1872, 139760), (1920, 136266), (2080, 125784), (2304, 113555), (2340, 111808), (2496, 104820), (2880, 90844), (3120, 83856), (3328, 78615), (3494, 74880), (3744, 69880), (3840, 68133), (4160, 62892), (4680, 55904), (4992, 52410), (5241, 49920), (5760, 45422), (6240, 41928), (6988, 37440), (7488, 34940), (8320, 31446), (8735, 29952), (9360, 27952), (9984, 26205), (10482, 24960), (11520, 22711), (12480, 20964), (13976, 18720), (14976, 17470), (15723, 16640)]