660790872

素因数分解:

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

素因数の和:1033

約数の個数: 192

約数和(自身を含む): 2166528000

約数和(自身を除く): 1505737128

約数列:

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

約数ペア:

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