648121824

素因数分解:

$2^5\times 3^{10}\times 7^3$

素因数の和:61

約数の個数: 264

約数和(自身を含む): 2232039600

約数和(自身を除く): 1583917776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 243, 252, 288, 294, 324, 336, 343, 378, 392, 432, 441, 486, 504, 567, 588, 648, 672, 686, 729, 756, 784, 864, 882, 972, 1008, 1029, 1134, 1176, 1296, 1323, 1372, 1458, 1512, 1568, 1701, 1764, 1944, 2016, 2058, 2187, 2268, 2352, 2592, 2646, 2744, 2916, 3024, 3087, 3402, 3528, 3888, 3969, 4116, 4374, 4536, 4704, 5103, 5292, 5488, 5832, 6048, 6174, 6561, 6804, 7056, 7776, 7938, 8232, 8748, 9072, 9261, 10206, 10584, 10976, 11664, 11907, 12348, 13122, 13608, 14112, 15309, 15876, 16464, 17496, 18144, 18522, 19683, 20412, 21168, 23328, 23814, 24696, 26244, 27216, 27783, 30618, 31752, 32928, 34992, 35721, 37044, 39366, 40824, 42336, 45927, 47628, 49392, 52488, 54432, 55566, 59049, 61236, 63504, 69984, 71442, 74088, 78732, 81648, 83349, 91854, 95256, 98784, 104976, 107163, 111132, 118098, 122472, 127008, 137781, 142884, 148176, 157464, 163296, 166698, 183708, 190512, 209952, 214326, 222264, 236196, 244944, 250047, 275562, 285768, 296352, 314928, 321489, 333396, 367416, 381024, 413343, 428652, 444528, 472392, 489888, 500094, 551124, 571536, 629856, 642978, 666792, 734832, 750141, 826686, 857304, 889056, 944784, 964467, 1000188, 1102248, 1143072, 1285956, 1333584, 1469664, 1500282, 1653372, 1714608, 1889568, 1928934, 2000376, 2204496, 2250423, 2571912, 2667168, 2893401, 3000564, 3306744, 3429216, 3857868, 4000752, 4408992, 4500846, 5143824, 5786802, 6001128, 6613488, 6751269, 7715736, 8001504, 9001692, 10287648, 11573604, 12002256, 13226976, 13502538, 15431472, 18003384, 20253807, 23147208, 24004512, 27005076, 30862944, 36006768, 40507614, 46294416, 54010152, 72013536, 81015228, 92588832, 108020304, 162030456, 216040608, 324060912, 648121824]

約数ペア:

[(1, 648121824), (2, 324060912), (3, 216040608), (4, 162030456), (6, 108020304), (7, 92588832), (8, 81015228), (9, 72013536), (12, 54010152), (14, 46294416), (16, 40507614), (18, 36006768), (21, 30862944), (24, 27005076), (27, 24004512), (28, 23147208), (32, 20253807), (36, 18003384), (42, 15431472), (48, 13502538), (49, 13226976), (54, 12002256), (56, 11573604), (63, 10287648), (72, 9001692), (81, 8001504), (84, 7715736), (96, 6751269), (98, 6613488), (108, 6001128), (112, 5786802), (126, 5143824), (144, 4500846), (147, 4408992), (162, 4000752), (168, 3857868), (189, 3429216), (196, 3306744), (216, 3000564), (224, 2893401), (243, 2667168), (252, 2571912), (288, 2250423), (294, 2204496), (324, 2000376), (336, 1928934), (343, 1889568), (378, 1714608), (392, 1653372), (432, 1500282), (441, 1469664), (486, 1333584), (504, 1285956), (567, 1143072), (588, 1102248), (648, 1000188), (672, 964467), (686, 944784), (729, 889056), (756, 857304), (784, 826686), (864, 750141), (882, 734832), (972, 666792), (1008, 642978), (1029, 629856), (1134, 571536), (1176, 551124), (1296, 500094), (1323, 489888), (1372, 472392), (1458, 444528), (1512, 428652), (1568, 413343), (1701, 381024), (1764, 367416), (1944, 333396), (2016, 321489), (2058, 314928), (2187, 296352), (2268, 285768), (2352, 275562), (2592, 250047), (2646, 244944), (2744, 236196), (2916, 222264), (3024, 214326), (3087, 209952), (3402, 190512), (3528, 183708), (3888, 166698), (3969, 163296), (4116, 157464), (4374, 148176), (4536, 142884), (4704, 137781), (5103, 127008), (5292, 122472), (5488, 118098), (5832, 111132), (6048, 107163), (6174, 104976), (6561, 98784), (6804, 95256), (7056, 91854), (7776, 83349), (7938, 81648), (8232, 78732), (8748, 74088), (9072, 71442), (9261, 69984), (10206, 63504), (10584, 61236), (10976, 59049), (11664, 55566), (11907, 54432), (12348, 52488), (13122, 49392), (13608, 47628), (14112, 45927), (15309, 42336), (15876, 40824), (16464, 39366), (17496, 37044), (18144, 35721), (18522, 34992), (19683, 32928), (20412, 31752), (21168, 30618), (23328, 27783), (23814, 27216), (24696, 26244)]