642823776

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:599

約数の個数: 240

約数和(自身を含む): 2195424000

約数和(自身を除く): 1552600224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 71, 72, 81, 84, 96, 108, 112, 126, 142, 144, 162, 168, 189, 213, 216, 224, 252, 284, 288, 324, 336, 378, 426, 432, 497, 499, 504, 567, 568, 639, 648, 672, 756, 852, 864, 994, 998, 1008, 1134, 1136, 1278, 1296, 1491, 1497, 1512, 1704, 1917, 1988, 1996, 2016, 2268, 2272, 2556, 2592, 2982, 2994, 3024, 3408, 3493, 3834, 3976, 3992, 4473, 4491, 4536, 5112, 5751, 5964, 5988, 6048, 6816, 6986, 7668, 7952, 7984, 8946, 8982, 9072, 10224, 10479, 11502, 11928, 11976, 13419, 13473, 13972, 15336, 15904, 15968, 17892, 17964, 18144, 20448, 20958, 23004, 23856, 23952, 26838, 26946, 27944, 30672, 31437, 35429, 35784, 35928, 40257, 40419, 41916, 46008, 47712, 47904, 53676, 53892, 55888, 61344, 62874, 70858, 71568, 71856, 80514, 80838, 83832, 92016, 94311, 106287, 107352, 107784, 111776, 125748, 141716, 143136, 143712, 161028, 161676, 167664, 184032, 188622, 212574, 214704, 215568, 248003, 251496, 282933, 283432, 318861, 322056, 323352, 335328, 377244, 425148, 429408, 431136, 496006, 502992, 565866, 566864, 637722, 644112, 646704, 744009, 754488, 850296, 956583, 992012, 1005984, 1131732, 1133728, 1275444, 1288224, 1293408, 1488018, 1508976, 1700592, 1913166, 1984024, 2232027, 2263464, 2550888, 2869749, 2976036, 3017952, 3401184, 3826332, 3968048, 4464054, 4526928, 5101776, 5739498, 5952072, 6696081, 7652664, 7936096, 8928108, 9053856, 10203552, 11478996, 11904144, 13392162, 15305328, 17856216, 20088243, 22957992, 23808288, 26784324, 30610656, 35712432, 40176486, 45915984, 53568648, 71424864, 80352972, 91831968, 107137296, 160705944, 214274592, 321411888, 642823776]

約数ペア:

[(1, 642823776), (2, 321411888), (3, 214274592), (4, 160705944), (6, 107137296), (7, 91831968), (8, 80352972), (9, 71424864), (12, 53568648), (14, 45915984), (16, 40176486), (18, 35712432), (21, 30610656), (24, 26784324), (27, 23808288), (28, 22957992), (32, 20088243), (36, 17856216), (42, 15305328), (48, 13392162), (54, 11904144), (56, 11478996), (63, 10203552), (71, 9053856), (72, 8928108), (81, 7936096), (84, 7652664), (96, 6696081), (108, 5952072), (112, 5739498), (126, 5101776), (142, 4526928), (144, 4464054), (162, 3968048), (168, 3826332), (189, 3401184), (213, 3017952), (216, 2976036), (224, 2869749), (252, 2550888), (284, 2263464), (288, 2232027), (324, 1984024), (336, 1913166), (378, 1700592), (426, 1508976), (432, 1488018), (497, 1293408), (499, 1288224), (504, 1275444), (567, 1133728), (568, 1131732), (639, 1005984), (648, 992012), (672, 956583), (756, 850296), (852, 754488), (864, 744009), (994, 646704), (998, 644112), (1008, 637722), (1134, 566864), (1136, 565866), (1278, 502992), (1296, 496006), (1491, 431136), (1497, 429408), (1512, 425148), (1704, 377244), (1917, 335328), (1988, 323352), (1996, 322056), (2016, 318861), (2268, 283432), (2272, 282933), (2556, 251496), (2592, 248003), (2982, 215568), (2994, 214704), (3024, 212574), (3408, 188622), (3493, 184032), (3834, 167664), (3976, 161676), (3992, 161028), (4473, 143712), (4491, 143136), (4536, 141716), (5112, 125748), (5751, 111776), (5964, 107784), (5988, 107352), (6048, 106287), (6816, 94311), (6986, 92016), (7668, 83832), (7952, 80838), (7984, 80514), (8946, 71856), (8982, 71568), (9072, 70858), (10224, 62874), (10479, 61344), (11502, 55888), (11928, 53892), (11976, 53676), (13419, 47904), (13473, 47712), (13972, 46008), (15336, 41916), (15904, 40419), (15968, 40257), (17892, 35928), (17964, 35784), (18144, 35429), (20448, 31437), (20958, 30672), (23004, 27944), (23856, 26946), (23952, 26838)]