991361280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2881

約数の個数: 288

約数和(自身を含む): 3898185984

約数和(自身を除く): 2906824704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 768, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1280, 1344, 1365, 1456, 1560, 1664, 1680, 1792, 1820, 1920, 2080, 2184, 2240, 2496, 2688, 2730, 2837, 2912, 3120, 3328, 3360, 3640, 3840, 4160, 4368, 4480, 4992, 5376, 5460, 5674, 5824, 6240, 6720, 7280, 8320, 8511, 8736, 8960, 9984, 10920, 11348, 11648, 12480, 13440, 14185, 14560, 16640, 17022, 17472, 19859, 21840, 22696, 23296, 24960, 26880, 28370, 29120, 34044, 34944, 36881, 39718, 42555, 43680, 45392, 49920, 56740, 58240, 59577, 68088, 69888, 73762, 79436, 85110, 87360, 90784, 99295, 110643, 113480, 116480, 119154, 136176, 147524, 158872, 170220, 174720, 181568, 184405, 198590, 221286, 226960, 238308, 258167, 272352, 295048, 297885, 317744, 340440, 349440, 363136, 368810, 397180, 442572, 453920, 476616, 516334, 544704, 553215, 590096, 595770, 635488, 680880, 726272, 737620, 774501, 794360, 885144, 907840, 953232, 1032668, 1089408, 1106430, 1180192, 1191540, 1270976, 1290835, 1361760, 1475240, 1549002, 1588720, 1770288, 1815680, 1906464, 2065336, 2178816, 2212860, 2360384, 2383080, 2541952, 2581670, 2723520, 2950480, 3098004, 3177440, 3540576, 3631360, 3812928, 3872505, 4130672, 4425720, 4720768, 4766160, 5083904, 5163340, 5447040, 5900960, 6196008, 6354880, 7081152, 7625856, 7745010, 8261344, 8851440, 9441536, 9532320, 10326680, 10894080, 11801920, 12392016, 12709760, 14162304, 15251712, 15490020, 16522688, 17702880, 19064640, 20653360, 23603840, 24784032, 25419520, 28324608, 30980040, 33045376, 35405760, 38129280, 41306720, 47207680, 49568064, 61960080, 66090752, 70811520, 76258560, 82613440, 99136128, 123920160, 141623040, 165226880, 198272256, 247840320, 330453760, 495680640, 991361280]

約数ペア:

[(1, 991361280), (2, 495680640), (3, 330453760), (4, 247840320), (5, 198272256), (6, 165226880), (7, 141623040), (8, 123920160), (10, 99136128), (12, 82613440), (13, 76258560), (14, 70811520), (15, 66090752), (16, 61960080), (20, 49568064), (21, 47207680), (24, 41306720), (26, 38129280), (28, 35405760), (30, 33045376), (32, 30980040), (35, 28324608), (39, 25419520), (40, 24784032), (42, 23603840), (48, 20653360), (52, 19064640), (56, 17702880), (60, 16522688), (64, 15490020), (65, 15251712), (70, 14162304), (78, 12709760), (80, 12392016), (84, 11801920), (91, 10894080), (96, 10326680), (104, 9532320), (105, 9441536), (112, 8851440), (120, 8261344), (128, 7745010), (130, 7625856), (140, 7081152), (156, 6354880), (160, 6196008), (168, 5900960), (182, 5447040), (192, 5163340), (195, 5083904), (208, 4766160), (210, 4720768), (224, 4425720), (240, 4130672), (256, 3872505), (260, 3812928), (273, 3631360), (280, 3540576), (312, 3177440), (320, 3098004), (336, 2950480), (364, 2723520), (384, 2581670), (390, 2541952), (416, 2383080), (420, 2360384), (448, 2212860), (455, 2178816), (480, 2065336), (520, 1906464), (546, 1815680), (560, 1770288), (624, 1588720), (640, 1549002), (672, 1475240), (728, 1361760), (768, 1290835), (780, 1270976), (832, 1191540), (840, 1180192), (896, 1106430), (910, 1089408), (960, 1032668), (1040, 953232), (1092, 907840), (1120, 885144), (1248, 794360), (1280, 774501), (1344, 737620), (1365, 726272), (1456, 680880), (1560, 635488), (1664, 595770), (1680, 590096), (1792, 553215), (1820, 544704), (1920, 516334), (2080, 476616), (2184, 453920), (2240, 442572), (2496, 397180), (2688, 368810), (2730, 363136), (2837, 349440), (2912, 340440), (3120, 317744), (3328, 297885), (3360, 295048), (3640, 272352), (3840, 258167), (4160, 238308), (4368, 226960), (4480, 221286), (4992, 198590), (5376, 184405), (5460, 181568), (5674, 174720), (5824, 170220), (6240, 158872), (6720, 147524), (7280, 136176), (8320, 119154), (8511, 116480), (8736, 113480), (8960, 110643), (9984, 99295), (10920, 90784), (11348, 87360), (11648, 85110), (12480, 79436), (13440, 73762), (14185, 69888), (14560, 68088), (16640, 59577), (17022, 58240), (17472, 56740), (19859, 49920), (21840, 45392), (22696, 43680), (23296, 42555), (24960, 39718), (26880, 36881), (28370, 34944), (29120, 34044)]