1280376720

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{97}}^2$

素因数の和:229

約数の個数: 360

約数和(自身を含む): 5149295424

約数和(自身を除く): 3868918704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 97, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 194, 210, 216, 240, 243, 252, 270, 280, 291, 315, 324, 336, 360, 378, 388, 405, 420, 432, 485, 486, 504, 540, 560, 567, 582, 630, 648, 679, 720, 756, 776, 810, 840, 873, 945, 970, 972, 1008, 1080, 1134, 1164, 1215, 1260, 1296, 1358, 1455, 1512, 1552, 1620, 1680, 1701, 1746, 1890, 1940, 1944, 2037, 2160, 2268, 2328, 2430, 2520, 2619, 2716, 2835, 2910, 3024, 3240, 3395, 3402, 3492, 3780, 3880, 3888, 4074, 4365, 4536, 4656, 4860, 5040, 5238, 5432, 5670, 5820, 6111, 6480, 6790, 6804, 6984, 7560, 7760, 7857, 8148, 8505, 8730, 9072, 9409, 9720, 10185, 10476, 10864, 11340, 11640, 12222, 13095, 13580, 13608, 13968, 15120, 15714, 16296, 17010, 17460, 18333, 18818, 19440, 20370, 20952, 22680, 23280, 23571, 24444, 26190, 27160, 27216, 28227, 30555, 31428, 32592, 34020, 34920, 36666, 37636, 39285, 40740, 41904, 45360, 47045, 47142, 48888, 52380, 54320, 54999, 56454, 61110, 62856, 65863, 68040, 69840, 73332, 75272, 78570, 81480, 84681, 91665, 94090, 94284, 97776, 104760, 109998, 112908, 117855, 122220, 125712, 131726, 136080, 141135, 146664, 150544, 157140, 162960, 164997, 169362, 183330, 188180, 188568, 197589, 209520, 219996, 225816, 235710, 244440, 254043, 263452, 274995, 282270, 293328, 314280, 329315, 329994, 338724, 366660, 376360, 377136, 395178, 423405, 439992, 451632, 471420, 488880, 508086, 526904, 549990, 564540, 592767, 628560, 658630, 659988, 677448, 733320, 752720, 762129, 790356, 824985, 846810, 879984, 942840, 987945, 1016172, 1053808, 1099980, 1129080, 1185534, 1270215, 1317260, 1319976, 1354896, 1466640, 1524258, 1580712, 1649970, 1693620, 1778301, 1885680, 1975890, 2032344, 2199960, 2258160, 2286387, 2371068, 2540430, 2634520, 2639952, 2963835, 3048516, 3161424, 3299940, 3387240, 3556602, 3810645, 3951780, 4064688, 4399920, 4572774, 4742136, 5080860, 5269040, 5334903, 5927670, 6097032, 6599880, 6774480, 7113204, 7621290, 7903560, 8891505, 9145548, 9484272, 10161720, 10669806, 11431935, 11855340, 12194064, 13199760, 14226408, 15242580, 15807120, 16004709, 17783010, 18291096, 20323440, 21339612, 22863870, 23710680, 26674515, 28452816, 30485160, 32009418, 35566020, 36582192, 42679224, 45727740, 47421360, 53349030, 60970320, 64018836, 71132040, 80023545, 85358448, 91455480, 106698060, 128037672, 142264080, 160047090, 182910960, 213396120, 256075344, 320094180, 426792240, 640188360, 1280376720]

約数ペア:

[(1, 1280376720), (2, 640188360), (3, 426792240), (4, 320094180), (5, 256075344), (6, 213396120), (7, 182910960), (8, 160047090), (9, 142264080), (10, 128037672), (12, 106698060), (14, 91455480), (15, 85358448), (16, 80023545), (18, 71132040), (20, 64018836), (21, 60970320), (24, 53349030), (27, 47421360), (28, 45727740), (30, 42679224), (35, 36582192), (36, 35566020), (40, 32009418), (42, 30485160), (45, 28452816), (48, 26674515), (54, 23710680), (56, 22863870), (60, 21339612), (63, 20323440), (70, 18291096), (72, 17783010), (80, 16004709), (81, 15807120), (84, 15242580), (90, 14226408), (97, 13199760), (105, 12194064), (108, 11855340), (112, 11431935), (120, 10669806), (126, 10161720), (135, 9484272), (140, 9145548), (144, 8891505), (162, 7903560), (168, 7621290), (180, 7113204), (189, 6774480), (194, 6599880), (210, 6097032), (216, 5927670), (240, 5334903), (243, 5269040), (252, 5080860), (270, 4742136), (280, 4572774), (291, 4399920), (315, 4064688), (324, 3951780), (336, 3810645), (360, 3556602), (378, 3387240), (388, 3299940), (405, 3161424), (420, 3048516), (432, 2963835), (485, 2639952), (486, 2634520), (504, 2540430), (540, 2371068), (560, 2286387), (567, 2258160), (582, 2199960), (630, 2032344), (648, 1975890), (679, 1885680), (720, 1778301), (756, 1693620), (776, 1649970), (810, 1580712), (840, 1524258), (873, 1466640), (945, 1354896), (970, 1319976), (972, 1317260), (1008, 1270215), (1080, 1185534), (1134, 1129080), (1164, 1099980), (1215, 1053808), (1260, 1016172), (1296, 987945), (1358, 942840), (1455, 879984), (1512, 846810), (1552, 824985), (1620, 790356), (1680, 762129), (1701, 752720), (1746, 733320), (1890, 677448), (1940, 659988), (1944, 658630), (2037, 628560), (2160, 592767), (2268, 564540), (2328, 549990), (2430, 526904), (2520, 508086), (2619, 488880), (2716, 471420), (2835, 451632), (2910, 439992), (3024, 423405), (3240, 395178), (3395, 377136), (3402, 376360), (3492, 366660), (3780, 338724), (3880, 329994), (3888, 329315), (4074, 314280), (4365, 293328), (4536, 282270), (4656, 274995), (4860, 263452), (5040, 254043), (5238, 244440), (5432, 235710), (5670, 225816), (5820, 219996), (6111, 209520), (6480, 197589), (6790, 188568), (6804, 188180), (6984, 183330), (7560, 169362), (7760, 164997), (7857, 162960), (8148, 157140), (8505, 150544), (8730, 146664), (9072, 141135), (9409, 136080), (9720, 131726), (10185, 125712), (10476, 122220), (10864, 117855), (11340, 112908), (11640, 109998), (12222, 104760), (13095, 97776), (13580, 94284), (13608, 94090), (13968, 91665), (15120, 84681), (15714, 81480), (16296, 78570), (17010, 75272), (17460, 73332), (18333, 69840), (18818, 68040), (19440, 65863), (20370, 62856), (20952, 61110), (22680, 56454), (23280, 54999), (23571, 54320), (24444, 52380), (26190, 48888), (27160, 47142), (27216, 47045), (28227, 45360), (30555, 41904), (31428, 40740), (32592, 39285), (34020, 37636), (34920, 36666)]