1991196480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 448

約数和(自身を含む): 8127479808

約数和(自身を除く): 6136283328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 32, 35, 39, 40, 42, 46, 48, 52, 56, 60, 64, 65, 69, 70, 78, 80, 84, 91, 92, 96, 104, 105, 112, 115, 120, 130, 138, 140, 156, 160, 161, 168, 182, 184, 192, 195, 208, 210, 224, 230, 240, 260, 273, 276, 280, 299, 312, 320, 322, 336, 345, 364, 368, 390, 416, 420, 448, 455, 460, 480, 483, 520, 546, 552, 560, 598, 624, 644, 672, 690, 728, 736, 780, 805, 832, 840, 897, 910, 920, 960, 966, 991, 1040, 1092, 1104, 1120, 1196, 1248, 1288, 1344, 1365, 1380, 1456, 1472, 1495, 1560, 1610, 1680, 1794, 1820, 1840, 1932, 1982, 2080, 2093, 2184, 2208, 2240, 2392, 2415, 2496, 2576, 2730, 2760, 2912, 2973, 2990, 3120, 3220, 3360, 3588, 3640, 3680, 3864, 3964, 4160, 4186, 4368, 4416, 4485, 4784, 4830, 4955, 5152, 5460, 5520, 5824, 5946, 5980, 6240, 6279, 6440, 6720, 6937, 7176, 7280, 7360, 7728, 7928, 8372, 8736, 8970, 9568, 9660, 9910, 10304, 10465, 10920, 11040, 11892, 11960, 12480, 12558, 12880, 12883, 13874, 14352, 14560, 14865, 15456, 15856, 16744, 17472, 17940, 19136, 19320, 19820, 20811, 20930, 21840, 22080, 22793, 23784, 23920, 25116, 25760, 25766, 27748, 28704, 29120, 29730, 30912, 31395, 31712, 33488, 34685, 35880, 38640, 38649, 39640, 41622, 41860, 43680, 45586, 47568, 47840, 50232, 51520, 51532, 55496, 57408, 59460, 62790, 63424, 64415, 66976, 68379, 69370, 71760, 77280, 77298, 79280, 83244, 83720, 87360, 90181, 91172, 95136, 95680, 100464, 103064, 104055, 110992, 113965, 118920, 125580, 128830, 133952, 136758, 138740, 143520, 154560, 154596, 158560, 159551, 166488, 167440, 180362, 182344, 190272, 193245, 200928, 206128, 208110, 221984, 227930, 237840, 251160, 257660, 270543, 273516, 277480, 287040, 296309, 309192, 317120, 319102, 332976, 334880, 341895, 360724, 364688, 386490, 401856, 412256, 416220, 443968, 450905, 455860, 475680, 478653, 502320, 515320, 541086, 547032, 554960, 592618, 618384, 638204, 665952, 669760, 683790, 721448, 729376, 772980, 797755, 824512, 832440, 888927, 901810, 911720, 951360, 957306, 1004640, 1030640, 1082172, 1094064, 1109920, 1185236, 1236768, 1276408, 1331904, 1352715, 1367580, 1442896, 1458752, 1481545, 1545960, 1595510, 1664880, 1777854, 1803620, 1823440, 1914612, 2009280, 2061280, 2074163, 2164344, 2188128, 2219840, 2370472, 2393265, 2473536, 2552816, 2705430, 2735160, 2885792, 2963090, 3091920, 3191020, 3329760, 3555708, 3607240, 3646880, 3829224, 4122560, 4148326, 4328688, 4376256, 4444635, 4740944, 4786530, 5105632, 5410860, 5470320, 5771584, 5926180, 6183840, 6222489, 6382040, 6659520, 7111416, 7214480, 7293760, 7658448, 8296652, 8657376, 8889270, 9481888, 9573060, 10211264, 10370815, 10821720, 10940640, 11852360, 12367680, 12444978, 12764080, 14222832, 14428960, 15316896, 16593304, 17314752, 17778540, 18963776, 19146120, 20741630, 21643440, 21881280, 23704720, 24889956, 25528160, 28445664, 28857920, 30633792, 31112445, 33186608, 35557080, 38292240, 41483260, 43286880, 47409440, 49779912, 51056320, 56891328, 62224890, 66373216, 71114160, 76584480, 82966520, 86573760, 94818880, 99559824, 124449780, 132746432, 142228320, 153168960, 165933040, 199119648, 248899560, 284456640, 331866080, 398239296, 497799120, 663732160, 995598240, 1991196480]

約数ペア:

[(1, 1991196480), (2, 995598240), (3, 663732160), (4, 497799120), (5, 398239296), (6, 331866080), (7, 284456640), (8, 248899560), (10, 199119648), (12, 165933040), (13, 153168960), (14, 142228320), (15, 132746432), (16, 124449780), (20, 99559824), (21, 94818880), (23, 86573760), (24, 82966520), (26, 76584480), (28, 71114160), (30, 66373216), (32, 62224890), (35, 56891328), (39, 51056320), (40, 49779912), (42, 47409440), (46, 43286880), (48, 41483260), (52, 38292240), (56, 35557080), (60, 33186608), (64, 31112445), (65, 30633792), (69, 28857920), (70, 28445664), (78, 25528160), (80, 24889956), (84, 23704720), (91, 21881280), (92, 21643440), (96, 20741630), (104, 19146120), (105, 18963776), (112, 17778540), (115, 17314752), (120, 16593304), (130, 15316896), (138, 14428960), (140, 14222832), (156, 12764080), (160, 12444978), (161, 12367680), (168, 11852360), (182, 10940640), (184, 10821720), (192, 10370815), (195, 10211264), (208, 9573060), (210, 9481888), (224, 8889270), (230, 8657376), (240, 8296652), (260, 7658448), (273, 7293760), (276, 7214480), (280, 7111416), (299, 6659520), (312, 6382040), (320, 6222489), (322, 6183840), (336, 5926180), (345, 5771584), (364, 5470320), (368, 5410860), (390, 5105632), (416, 4786530), (420, 4740944), (448, 4444635), (455, 4376256), (460, 4328688), (480, 4148326), (483, 4122560), (520, 3829224), (546, 3646880), (552, 3607240), (560, 3555708), (598, 3329760), (624, 3191020), (644, 3091920), (672, 2963090), (690, 2885792), (728, 2735160), (736, 2705430), (780, 2552816), (805, 2473536), (832, 2393265), (840, 2370472), (897, 2219840), (910, 2188128), (920, 2164344), (960, 2074163), (966, 2061280), (991, 2009280), (1040, 1914612), (1092, 1823440), (1104, 1803620), (1120, 1777854), (1196, 1664880), (1248, 1595510), (1288, 1545960), (1344, 1481545), (1365, 1458752), (1380, 1442896), (1456, 1367580), (1472, 1352715), (1495, 1331904), (1560, 1276408), (1610, 1236768), (1680, 1185236), (1794, 1109920), (1820, 1094064), (1840, 1082172), (1932, 1030640), (1982, 1004640), (2080, 957306), (2093, 951360), (2184, 911720), (2208, 901810), (2240, 888927), (2392, 832440), (2415, 824512), (2496, 797755), (2576, 772980), (2730, 729376), (2760, 721448), (2912, 683790), (2973, 669760), (2990, 665952), (3120, 638204), (3220, 618384), (3360, 592618), (3588, 554960), (3640, 547032), (3680, 541086), (3864, 515320), (3964, 502320), (4160, 478653), (4186, 475680), (4368, 455860), (4416, 450905), (4485, 443968), (4784, 416220), (4830, 412256), (4955, 401856), (5152, 386490), (5460, 364688), (5520, 360724), (5824, 341895), (5946, 334880), (5980, 332976), (6240, 319102), (6279, 317120), (6440, 309192), (6720, 296309), (6937, 287040), (7176, 277480), (7280, 273516), (7360, 270543), (7728, 257660), (7928, 251160), (8372, 237840), (8736, 227930), (8970, 221984), (9568, 208110), (9660, 206128), (9910, 200928), (10304, 193245), (10465, 190272), (10920, 182344), (11040, 180362), (11892, 167440), (11960, 166488), (12480, 159551), (12558, 158560), (12880, 154596), (12883, 154560), (13874, 143520), (14352, 138740), (14560, 136758), (14865, 133952), (15456, 128830), (15856, 125580), (16744, 118920), (17472, 113965), (17940, 110992), (19136, 104055), (19320, 103064), (19820, 100464), (20811, 95680), (20930, 95136), (21840, 91172), (22080, 90181), (22793, 87360), (23784, 83720), (23920, 83244), (25116, 79280), (25760, 77298), (25766, 77280), (27748, 71760), (28704, 69370), (29120, 68379), (29730, 66976), (30912, 64415), (31395, 63424), (31712, 62790), (33488, 59460), (34685, 57408), (35880, 55496), (38640, 51532), (38649, 51520), (39640, 50232), (41622, 47840), (41860, 47568), (43680, 45586)]