1321581744

素因数分解:

$2^4\times 3^5\times 7^3\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 240

約数和(自身を含む): 4477491200

約数和(自身を除く): 3155909456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 343, 378, 392, 432, 441, 486, 504, 567, 588, 648, 686, 756, 784, 882, 972, 991, 1008, 1029, 1134, 1176, 1296, 1323, 1372, 1512, 1701, 1764, 1944, 1982, 2058, 2268, 2352, 2646, 2744, 2973, 3024, 3087, 3402, 3528, 3888, 3964, 3969, 4116, 4536, 5292, 5488, 5946, 6174, 6804, 6937, 7056, 7928, 7938, 8232, 8919, 9072, 9261, 10584, 11892, 11907, 12348, 13608, 13874, 15856, 15876, 16464, 17838, 18522, 20811, 21168, 23784, 23814, 24696, 26757, 27216, 27748, 27783, 31752, 35676, 37044, 41622, 47568, 47628, 48559, 49392, 53514, 55496, 55566, 62433, 63504, 71352, 74088, 80271, 83244, 83349, 95256, 97118, 107028, 110992, 111132, 124866, 142704, 145677, 148176, 160542, 166488, 166698, 187299, 190512, 194236, 214056, 222264, 240813, 249732, 291354, 321084, 332976, 333396, 339913, 374598, 388472, 428112, 437031, 444528, 481626, 499464, 561897, 582708, 642168, 666792, 679826, 749196, 776944, 874062, 963252, 998928, 1019739, 1123794, 1165416, 1284336, 1311093, 1333584, 1359652, 1498392, 1685691, 1748124, 1926504, 2039478, 2247588, 2330832, 2622186, 2719304, 2996784, 3059217, 3371382, 3496248, 3853008, 3933279, 4078956, 4495176, 5244372, 5438608, 6118434, 6742764, 6992496, 7866558, 8157912, 8990352, 9177651, 10488744, 11799837, 12236868, 13485528, 15733116, 16315824, 18355302, 20977488, 23599674, 24473736, 26971056, 27532953, 31466232, 36710604, 47199348, 48947472, 55065906, 62932464, 73421208, 82598859, 94398696, 110131812, 146842416, 165197718, 188797392, 220263624, 330395436, 440527248, 660790872, 1321581744]

約数ペア:

[(1, 1321581744), (2, 660790872), (3, 440527248), (4, 330395436), (6, 220263624), (7, 188797392), (8, 165197718), (9, 146842416), (12, 110131812), (14, 94398696), (16, 82598859), (18, 73421208), (21, 62932464), (24, 55065906), (27, 48947472), (28, 47199348), (36, 36710604), (42, 31466232), (48, 27532953), (49, 26971056), (54, 24473736), (56, 23599674), (63, 20977488), (72, 18355302), (81, 16315824), (84, 15733116), (98, 13485528), (108, 12236868), (112, 11799837), (126, 10488744), (144, 9177651), (147, 8990352), (162, 8157912), (168, 7866558), (189, 6992496), (196, 6742764), (216, 6118434), (243, 5438608), (252, 5244372), (294, 4495176), (324, 4078956), (336, 3933279), (343, 3853008), (378, 3496248), (392, 3371382), (432, 3059217), (441, 2996784), (486, 2719304), (504, 2622186), (567, 2330832), (588, 2247588), (648, 2039478), (686, 1926504), (756, 1748124), (784, 1685691), (882, 1498392), (972, 1359652), (991, 1333584), (1008, 1311093), (1029, 1284336), (1134, 1165416), (1176, 1123794), (1296, 1019739), (1323, 998928), (1372, 963252), (1512, 874062), (1701, 776944), (1764, 749196), (1944, 679826), (1982, 666792), (2058, 642168), (2268, 582708), (2352, 561897), (2646, 499464), (2744, 481626), (2973, 444528), (3024, 437031), (3087, 428112), (3402, 388472), (3528, 374598), (3888, 339913), (3964, 333396), (3969, 332976), (4116, 321084), (4536, 291354), (5292, 249732), (5488, 240813), (5946, 222264), (6174, 214056), (6804, 194236), (6937, 190512), (7056, 187299), (7928, 166698), (7938, 166488), (8232, 160542), (8919, 148176), (9072, 145677), (9261, 142704), (10584, 124866), (11892, 111132), (11907, 110992), (12348, 107028), (13608, 97118), (13874, 95256), (15856, 83349), (15876, 83244), (16464, 80271), (17838, 74088), (18522, 71352), (20811, 63504), (21168, 62433), (23784, 55566), (23814, 55496), (24696, 53514), (26757, 49392), (27216, 48559), (27748, 47628), (27783, 47568), (31752, 41622), (35676, 37044)]