81457488

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 280565376

約数和(自身を除く): 199107888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 41, 42, 48, 54, 56, 63, 72, 73, 81, 82, 84, 108, 112, 123, 126, 144, 146, 162, 164, 168, 189, 216, 219, 243, 246, 252, 287, 292, 324, 328, 336, 369, 378, 432, 438, 486, 492, 504, 511, 567, 574, 584, 648, 656, 657, 738, 756, 861, 876, 972, 984, 1008, 1022, 1107, 1134, 1148, 1168, 1296, 1314, 1476, 1512, 1533, 1701, 1722, 1752, 1944, 1968, 1971, 2044, 2214, 2268, 2296, 2583, 2628, 2952, 2993, 3024, 3066, 3321, 3402, 3444, 3504, 3888, 3942, 4088, 4428, 4536, 4592, 4599, 5166, 5256, 5904, 5913, 5986, 6132, 6642, 6804, 6888, 7749, 7884, 8176, 8856, 8979, 9072, 9198, 9963, 10332, 10512, 11826, 11972, 12264, 13284, 13608, 13776, 13797, 15498, 15768, 17712, 17739, 17958, 18396, 19926, 20664, 20951, 23247, 23652, 23944, 24528, 26568, 26937, 27216, 27594, 30996, 31536, 35478, 35916, 36792, 39852, 41328, 41391, 41902, 46494, 47304, 47888, 53136, 53874, 55188, 61992, 62853, 69741, 70956, 71832, 73584, 79704, 80811, 82782, 83804, 92988, 94608, 107748, 110376, 123984, 124173, 125706, 139482, 141912, 143664, 159408, 161622, 165564, 167608, 185976, 188559, 215496, 220752, 242433, 248346, 251412, 278964, 283824, 323244, 331128, 335216, 371952, 377118, 430992, 484866, 496692, 502824, 557928, 565677, 646488, 662256, 727299, 754236, 969732, 993384, 1005648, 1115856, 1131354, 1292976, 1454598, 1508472, 1697031, 1939464, 1986768, 2262708, 2909196, 3016944, 3394062, 3878928, 4525416, 5091093, 5818392, 6788124, 9050832, 10182186, 11636784, 13576248, 20364372, 27152496, 40728744, 81457488]

約数ペア:

[(1, 81457488), (2, 40728744), (3, 27152496), (4, 20364372), (6, 13576248), (7, 11636784), (8, 10182186), (9, 9050832), (12, 6788124), (14, 5818392), (16, 5091093), (18, 4525416), (21, 3878928), (24, 3394062), (27, 3016944), (28, 2909196), (36, 2262708), (41, 1986768), (42, 1939464), (48, 1697031), (54, 1508472), (56, 1454598), (63, 1292976), (72, 1131354), (73, 1115856), (81, 1005648), (82, 993384), (84, 969732), (108, 754236), (112, 727299), (123, 662256), (126, 646488), (144, 565677), (146, 557928), (162, 502824), (164, 496692), (168, 484866), (189, 430992), (216, 377118), (219, 371952), (243, 335216), (246, 331128), (252, 323244), (287, 283824), (292, 278964), (324, 251412), (328, 248346), (336, 242433), (369, 220752), (378, 215496), (432, 188559), (438, 185976), (486, 167608), (492, 165564), (504, 161622), (511, 159408), (567, 143664), (574, 141912), (584, 139482), (648, 125706), (656, 124173), (657, 123984), (738, 110376), (756, 107748), (861, 94608), (876, 92988), (972, 83804), (984, 82782), (1008, 80811), (1022, 79704), (1107, 73584), (1134, 71832), (1148, 70956), (1168, 69741), (1296, 62853), (1314, 61992), (1476, 55188), (1512, 53874), (1533, 53136), (1701, 47888), (1722, 47304), (1752, 46494), (1944, 41902), (1968, 41391), (1971, 41328), (2044, 39852), (2214, 36792), (2268, 35916), (2296, 35478), (2583, 31536), (2628, 30996), (2952, 27594), (2993, 27216), (3024, 26937), (3066, 26568), (3321, 24528), (3402, 23944), (3444, 23652), (3504, 23247), (3888, 20951), (3942, 20664), (4088, 19926), (4428, 18396), (4536, 17958), (4592, 17739), (4599, 17712), (5166, 15768), (5256, 15498), (5904, 13797), (5913, 13776), (5986, 13608), (6132, 13284), (6642, 12264), (6804, 11972), (6888, 11826), (7749, 10512), (7884, 10332), (8176, 9963), (8856, 9198), (8979, 9072)]