638401824

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 2063880000

約数和(自身を除く): 1425478176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 32, 36, 38, 48, 54, 57, 58, 72, 76, 81, 87, 96, 108, 114, 116, 144, 149, 152, 162, 171, 174, 216, 228, 232, 243, 261, 288, 298, 304, 324, 342, 348, 432, 447, 456, 464, 486, 513, 522, 551, 596, 608, 648, 684, 696, 783, 864, 894, 912, 928, 972, 1026, 1044, 1102, 1192, 1296, 1341, 1368, 1392, 1539, 1566, 1653, 1788, 1824, 1944, 2052, 2088, 2204, 2349, 2384, 2592, 2682, 2736, 2784, 2831, 3078, 3132, 3306, 3576, 3888, 4023, 4104, 4176, 4321, 4408, 4617, 4698, 4768, 4959, 5364, 5472, 5662, 6156, 6264, 6612, 7047, 7152, 7776, 8046, 8208, 8352, 8493, 8642, 8816, 9234, 9396, 9918, 10728, 11324, 12069, 12312, 12528, 12963, 13224, 14094, 14304, 14877, 16092, 16416, 16986, 17284, 17632, 18468, 18792, 19836, 21456, 22648, 24138, 24624, 25056, 25479, 25926, 26448, 28188, 29754, 32184, 33972, 34568, 36207, 36936, 37584, 38889, 39672, 42912, 44631, 45296, 48276, 49248, 50958, 51852, 52896, 56376, 59508, 64368, 67944, 69136, 72414, 73872, 75168, 76437, 77778, 79344, 82099, 89262, 90592, 96552, 101916, 103704, 112752, 116667, 119016, 128736, 133893, 135888, 138272, 144828, 147744, 152874, 155556, 158688, 164198, 178524, 193104, 203832, 207408, 225504, 229311, 233334, 238032, 246297, 267786, 271776, 289656, 305748, 311112, 328396, 350001, 357048, 386208, 407664, 414816, 458622, 466668, 476064, 492594, 535572, 579312, 611496, 622224, 656792, 687933, 700002, 714096, 738891, 815328, 917244, 933336, 985188, 1050003, 1071144, 1158624, 1222992, 1244448, 1313584, 1375866, 1400004, 1428192, 1477782, 1834488, 1866672, 1970376, 2100006, 2142288, 2216673, 2445984, 2627168, 2751732, 2800008, 2955564, 3668976, 3733344, 3940752, 4200012, 4284576, 4433346, 5503464, 5600016, 5911128, 6650019, 7337952, 7881504, 8400024, 8866692, 11006928, 11200032, 11822256, 13300038, 16800048, 17733384, 19950057, 22013856, 23644512, 26600076, 33600096, 35466768, 39900114, 53200152, 70933536, 79800228, 106400304, 159600456, 212800608, 319200912, 638401824]

約数ペア:

[(1, 638401824), (2, 319200912), (3, 212800608), (4, 159600456), (6, 106400304), (8, 79800228), (9, 70933536), (12, 53200152), (16, 39900114), (18, 35466768), (19, 33600096), (24, 26600076), (27, 23644512), (29, 22013856), (32, 19950057), (36, 17733384), (38, 16800048), (48, 13300038), (54, 11822256), (57, 11200032), (58, 11006928), (72, 8866692), (76, 8400024), (81, 7881504), (87, 7337952), (96, 6650019), (108, 5911128), (114, 5600016), (116, 5503464), (144, 4433346), (149, 4284576), (152, 4200012), (162, 3940752), (171, 3733344), (174, 3668976), (216, 2955564), (228, 2800008), (232, 2751732), (243, 2627168), (261, 2445984), (288, 2216673), (298, 2142288), (304, 2100006), (324, 1970376), (342, 1866672), (348, 1834488), (432, 1477782), (447, 1428192), (456, 1400004), (464, 1375866), (486, 1313584), (513, 1244448), (522, 1222992), (551, 1158624), (596, 1071144), (608, 1050003), (648, 985188), (684, 933336), (696, 917244), (783, 815328), (864, 738891), (894, 714096), (912, 700002), (928, 687933), (972, 656792), (1026, 622224), (1044, 611496), (1102, 579312), (1192, 535572), (1296, 492594), (1341, 476064), (1368, 466668), (1392, 458622), (1539, 414816), (1566, 407664), (1653, 386208), (1788, 357048), (1824, 350001), (1944, 328396), (2052, 311112), (2088, 305748), (2204, 289656), (2349, 271776), (2384, 267786), (2592, 246297), (2682, 238032), (2736, 233334), (2784, 229311), (2831, 225504), (3078, 207408), (3132, 203832), (3306, 193104), (3576, 178524), (3888, 164198), (4023, 158688), (4104, 155556), (4176, 152874), (4321, 147744), (4408, 144828), (4617, 138272), (4698, 135888), (4768, 133893), (4959, 128736), (5364, 119016), (5472, 116667), (5662, 112752), (6156, 103704), (6264, 101916), (6612, 96552), (7047, 90592), (7152, 89262), (7776, 82099), (8046, 79344), (8208, 77778), (8352, 76437), (8493, 75168), (8642, 73872), (8816, 72414), (9234, 69136), (9396, 67944), (9918, 64368), (10728, 59508), (11324, 56376), (12069, 52896), (12312, 51852), (12528, 50958), (12963, 49248), (13224, 48276), (14094, 45296), (14304, 44631), (14877, 42912), (16092, 39672), (16416, 38889), (16986, 37584), (17284, 36936), (17632, 36207), (18468, 34568), (18792, 33972), (19836, 32184), (21456, 29754), (22648, 28188), (24138, 26448), (24624, 25926), (25056, 25479)]