51438240

素因数分解:

$2^5\times 3^8\times 5^1\times 7^2$

素因数の和:53

約数の個数: 324

約数和(自身を含む): 212034186

約数和(自身を除く): 160595946

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 480, 486, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 729, 735, 756, 784, 810, 840, 864, 882, 945, 972, 980, 1008, 1080, 1120, 1134, 1176, 1215, 1260, 1296, 1323, 1440, 1458, 1470, 1512, 1568, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2016, 2160, 2187, 2205, 2268, 2352, 2430, 2520, 2592, 2646, 2835, 2916, 2940, 3024, 3240, 3360, 3402, 3528, 3645, 3780, 3888, 3920, 3969, 4320, 4374, 4410, 4536, 4704, 4860, 5040, 5103, 5292, 5670, 5832, 5880, 6048, 6480, 6561, 6615, 6804, 7056, 7290, 7560, 7776, 7840, 7938, 8505, 8748, 8820, 9072, 9720, 10080, 10206, 10584, 10935, 11340, 11664, 11760, 11907, 12960, 13122, 13230, 13608, 14112, 14580, 15120, 15309, 15876, 17010, 17496, 17640, 18144, 19440, 19845, 20412, 21168, 21870, 22680, 23328, 23520, 23814, 25515, 26244, 26460, 27216, 29160, 30240, 30618, 31752, 32805, 34020, 34992, 35280, 35721, 38880, 39690, 40824, 42336, 43740, 45360, 45927, 47628, 51030, 52488, 52920, 54432, 58320, 59535, 61236, 63504, 65610, 68040, 69984, 70560, 71442, 76545, 79380, 81648, 87480, 90720, 91854, 95256, 102060, 104976, 105840, 107163, 116640, 119070, 122472, 127008, 131220, 136080, 142884, 153090, 158760, 163296, 174960, 178605, 183708, 190512, 204120, 209952, 211680, 214326, 229635, 238140, 244944, 262440, 272160, 285768, 306180, 317520, 321489, 349920, 357210, 367416, 381024, 408240, 428652, 459270, 476280, 489888, 524880, 535815, 571536, 612360, 635040, 642978, 714420, 734832, 816480, 857304, 918540, 952560, 1049760, 1071630, 1143072, 1224720, 1285956, 1428840, 1469664, 1607445, 1714608, 1837080, 1905120, 2143260, 2449440, 2571912, 2857680, 3214890, 3429216, 3674160, 4286520, 5143824, 5715360, 6429780, 7348320, 8573040, 10287648, 12859560, 17146080, 25719120, 51438240]

約数ペア:

[(1, 51438240), (2, 25719120), (3, 17146080), (4, 12859560), (5, 10287648), (6, 8573040), (7, 7348320), (8, 6429780), (9, 5715360), (10, 5143824), (12, 4286520), (14, 3674160), (15, 3429216), (16, 3214890), (18, 2857680), (20, 2571912), (21, 2449440), (24, 2143260), (27, 1905120), (28, 1837080), (30, 1714608), (32, 1607445), (35, 1469664), (36, 1428840), (40, 1285956), (42, 1224720), (45, 1143072), (48, 1071630), (49, 1049760), (54, 952560), (56, 918540), (60, 857304), (63, 816480), (70, 734832), (72, 714420), (80, 642978), (81, 635040), (84, 612360), (90, 571536), (96, 535815), (98, 524880), (105, 489888), (108, 476280), (112, 459270), (120, 428652), (126, 408240), (135, 381024), (140, 367416), (144, 357210), (147, 349920), (160, 321489), (162, 317520), (168, 306180), (180, 285768), (189, 272160), (196, 262440), (210, 244944), (216, 238140), (224, 229635), (240, 214326), (243, 211680), (245, 209952), (252, 204120), (270, 190512), (280, 183708), (288, 178605), (294, 174960), (315, 163296), (324, 158760), (336, 153090), (360, 142884), (378, 136080), (392, 131220), (405, 127008), (420, 122472), (432, 119070), (441, 116640), (480, 107163), (486, 105840), (490, 104976), (504, 102060), (540, 95256), (560, 91854), (567, 90720), (588, 87480), (630, 81648), (648, 79380), (672, 76545), (720, 71442), (729, 70560), (735, 69984), (756, 68040), (784, 65610), (810, 63504), (840, 61236), (864, 59535), (882, 58320), (945, 54432), (972, 52920), (980, 52488), (1008, 51030), (1080, 47628), (1120, 45927), (1134, 45360), (1176, 43740), (1215, 42336), (1260, 40824), (1296, 39690), (1323, 38880), (1440, 35721), (1458, 35280), (1470, 34992), (1512, 34020), (1568, 32805), (1620, 31752), (1680, 30618), (1701, 30240), (1764, 29160), (1890, 27216), (1944, 26460), (1960, 26244), (2016, 25515), (2160, 23814), (2187, 23520), (2205, 23328), (2268, 22680), (2352, 21870), (2430, 21168), (2520, 20412), (2592, 19845), (2646, 19440), (2835, 18144), (2916, 17640), (2940, 17496), (3024, 17010), (3240, 15876), (3360, 15309), (3402, 15120), (3528, 14580), (3645, 14112), (3780, 13608), (3888, 13230), (3920, 13122), (3969, 12960), (4320, 11907), (4374, 11760), (4410, 11664), (4536, 11340), (4704, 10935), (4860, 10584), (5040, 10206), (5103, 10080), (5292, 9720), (5670, 9072), (5832, 8820), (5880, 8748), (6048, 8505), (6480, 7938), (6561, 7840), (6615, 7776), (6804, 7560), (7056, 7290)]