1991697120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{97}}^2$

素因数の和:232

約数の個数: 432

約数和(自身を含む): 8193512880

約数和(自身を除く): 6201815760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 97, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 194, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 291, 294, 315, 336, 360, 378, 388, 392, 420, 432, 441, 480, 485, 490, 504, 540, 560, 582, 588, 630, 672, 679, 720, 735, 756, 776, 784, 840, 864, 873, 882, 945, 970, 980, 1008, 1080, 1120, 1164, 1176, 1260, 1323, 1358, 1440, 1455, 1470, 1512, 1552, 1568, 1680, 1746, 1764, 1890, 1940, 1960, 2016, 2037, 2160, 2205, 2328, 2352, 2520, 2619, 2646, 2716, 2910, 2940, 3024, 3104, 3360, 3395, 3492, 3528, 3780, 3880, 3920, 4074, 4320, 4365, 4410, 4656, 4704, 4753, 5040, 5238, 5292, 5432, 5820, 5880, 6048, 6111, 6615, 6790, 6984, 7056, 7560, 7760, 7840, 8148, 8730, 8820, 9312, 9409, 9506, 10080, 10185, 10476, 10584, 10864, 11640, 11760, 12222, 13095, 13230, 13580, 13968, 14112, 14259, 15120, 15520, 16296, 17460, 17640, 18333, 18818, 19012, 20370, 20952, 21168, 21728, 23280, 23520, 23765, 24444, 26190, 26460, 27160, 27936, 28227, 28518, 30240, 30555, 32592, 34920, 35280, 36666, 37636, 38024, 40740, 41904, 42336, 42777, 46560, 47045, 47530, 48888, 52380, 52920, 54320, 56454, 57036, 61110, 65184, 65863, 69840, 70560, 71295, 73332, 75272, 76048, 81480, 83808, 84681, 85554, 91665, 94090, 95060, 97776, 104760, 105840, 108640, 112908, 114072, 122220, 128331, 131726, 139680, 141135, 142590, 146664, 150544, 152096, 162960, 169362, 171108, 183330, 188180, 190120, 195552, 197589, 209520, 211680, 213885, 225816, 228144, 244440, 254043, 256662, 263452, 282270, 285180, 293328, 301088, 325920, 329315, 338724, 342216, 366660, 376360, 380240, 395178, 419040, 423405, 427770, 451632, 456288, 461041, 488880, 508086, 513324, 526904, 564540, 570360, 586656, 592767, 641655, 658630, 677448, 684432, 733320, 752720, 760480, 790356, 846810, 855540, 903264, 922082, 977760, 987945, 1016172, 1026648, 1053808, 1129080, 1140720, 1185534, 1270215, 1283310, 1317260, 1354896, 1368864, 1383123, 1466640, 1505440, 1580712, 1693620, 1711080, 1778301, 1844164, 1975890, 2032344, 2053296, 2107616, 2258160, 2281440, 2305205, 2371068, 2540430, 2566620, 2634520, 2709792, 2766246, 2933280, 2963835, 3161424, 3387240, 3422160, 3556602, 3688328, 3951780, 4064688, 4106592, 4149369, 4516320, 4610410, 4742136, 5080860, 5133240, 5269040, 5532492, 5927670, 6322848, 6774480, 6844320, 6915615, 7113204, 7376656, 7903560, 8129376, 8298738, 8891505, 9220820, 9484272, 10161720, 10266480, 10538080, 11064984, 11855340, 12448107, 13548960, 13831230, 14226408, 14753312, 15807120, 16597476, 17783010, 18441640, 18968544, 20323440, 20532960, 20746845, 22129968, 23710680, 24896214, 27662460, 28452816, 31614240, 33194952, 35566020, 36883280, 40646880, 41493690, 44259936, 47421360, 49792428, 55324920, 56905632, 62240535, 66389904, 71132040, 73766560, 82987380, 94842720, 99584856, 110649840, 124481070, 132779808, 142264080, 165974760, 199169712, 221299680, 248962140, 284528160, 331949520, 398339424, 497924280, 663899040, 995848560, 1991697120]

約数ペア:

[(1, 1991697120), (2, 995848560), (3, 663899040), (4, 497924280), (5, 398339424), (6, 331949520), (7, 284528160), (8, 248962140), (9, 221299680), (10, 199169712), (12, 165974760), (14, 142264080), (15, 132779808), (16, 124481070), (18, 110649840), (20, 99584856), (21, 94842720), (24, 82987380), (27, 73766560), (28, 71132040), (30, 66389904), (32, 62240535), (35, 56905632), (36, 55324920), (40, 49792428), (42, 47421360), (45, 44259936), (48, 41493690), (49, 40646880), (54, 36883280), (56, 35566020), (60, 33194952), (63, 31614240), (70, 28452816), (72, 27662460), (80, 24896214), (84, 23710680), (90, 22129968), (96, 20746845), (97, 20532960), (98, 20323440), (105, 18968544), (108, 18441640), (112, 17783010), (120, 16597476), (126, 15807120), (135, 14753312), (140, 14226408), (144, 13831230), (147, 13548960), (160, 12448107), (168, 11855340), (180, 11064984), (189, 10538080), (194, 10266480), (196, 10161720), (210, 9484272), (216, 9220820), (224, 8891505), (240, 8298738), (245, 8129376), (252, 7903560), (270, 7376656), (280, 7113204), (288, 6915615), (291, 6844320), (294, 6774480), (315, 6322848), (336, 5927670), (360, 5532492), (378, 5269040), (388, 5133240), (392, 5080860), (420, 4742136), (432, 4610410), (441, 4516320), (480, 4149369), (485, 4106592), (490, 4064688), (504, 3951780), (540, 3688328), (560, 3556602), (582, 3422160), (588, 3387240), (630, 3161424), (672, 2963835), (679, 2933280), (720, 2766246), (735, 2709792), (756, 2634520), (776, 2566620), (784, 2540430), (840, 2371068), (864, 2305205), (873, 2281440), (882, 2258160), (945, 2107616), (970, 2053296), (980, 2032344), (1008, 1975890), (1080, 1844164), (1120, 1778301), (1164, 1711080), (1176, 1693620), (1260, 1580712), (1323, 1505440), (1358, 1466640), (1440, 1383123), (1455, 1368864), (1470, 1354896), (1512, 1317260), (1552, 1283310), (1568, 1270215), (1680, 1185534), (1746, 1140720), (1764, 1129080), (1890, 1053808), (1940, 1026648), (1960, 1016172), (2016, 987945), (2037, 977760), (2160, 922082), (2205, 903264), (2328, 855540), (2352, 846810), (2520, 790356), (2619, 760480), (2646, 752720), (2716, 733320), (2910, 684432), (2940, 677448), (3024, 658630), (3104, 641655), (3360, 592767), (3395, 586656), (3492, 570360), (3528, 564540), (3780, 526904), (3880, 513324), (3920, 508086), (4074, 488880), (4320, 461041), (4365, 456288), (4410, 451632), (4656, 427770), (4704, 423405), (4753, 419040), (5040, 395178), (5238, 380240), (5292, 376360), (5432, 366660), (5820, 342216), (5880, 338724), (6048, 329315), (6111, 325920), (6615, 301088), (6790, 293328), (6984, 285180), (7056, 282270), (7560, 263452), (7760, 256662), (7840, 254043), (8148, 244440), (8730, 228144), (8820, 225816), (9312, 213885), (9409, 211680), (9506, 209520), (10080, 197589), (10185, 195552), (10476, 190120), (10584, 188180), (10864, 183330), (11640, 171108), (11760, 169362), (12222, 162960), (13095, 152096), (13230, 150544), (13580, 146664), (13968, 142590), (14112, 141135), (14259, 139680), (15120, 131726), (15520, 128331), (16296, 122220), (17460, 114072), (17640, 112908), (18333, 108640), (18818, 105840), (19012, 104760), (20370, 97776), (20952, 95060), (21168, 94090), (21728, 91665), (23280, 85554), (23520, 84681), (23765, 83808), (24444, 81480), (26190, 76048), (26460, 75272), (27160, 73332), (27936, 71295), (28227, 70560), (28518, 69840), (30240, 65863), (30555, 65184), (32592, 61110), (34920, 57036), (35280, 56454), (36666, 54320), (37636, 52920), (38024, 52380), (40740, 48888), (41904, 47530), (42336, 47045), (42777, 46560)]