16720205880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{10883}}^1$

素因数の和:10994

約数の個数: 256

約数和(自身を含む): 60184166400

約数和(自身を除く): 43463960520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 59, 60, 62, 70, 84, 93, 105, 118, 120, 124, 140, 155, 168, 177, 186, 210, 217, 236, 248, 280, 295, 310, 354, 372, 413, 420, 434, 465, 472, 590, 620, 651, 708, 744, 826, 840, 868, 885, 930, 1085, 1180, 1239, 1240, 1302, 1416, 1652, 1736, 1770, 1829, 1860, 2065, 2170, 2360, 2478, 2604, 3255, 3304, 3540, 3658, 3720, 4130, 4340, 4956, 5208, 5487, 6195, 6510, 7080, 7316, 8260, 8680, 9145, 9912, 10883, 10974, 12390, 12803, 13020, 14632, 16520, 18290, 21766, 21948, 24780, 25606, 26040, 27435, 32649, 36580, 38409, 43532, 43896, 49560, 51212, 54415, 54870, 64015, 65298, 73160, 76181, 76818, 87064, 102424, 108830, 109740, 128030, 130596, 152362, 153636, 163245, 192045, 217660, 219480, 228543, 256060, 261192, 304724, 307272, 326490, 337373, 380905, 384090, 435320, 457086, 512120, 609448, 642097, 652980, 674746, 761810, 768180, 914172, 1012119, 1142715, 1284194, 1305960, 1349492, 1523620, 1536360, 1686865, 1828344, 1926291, 2024238, 2285430, 2361611, 2568388, 2698984, 3047240, 3210485, 3373730, 3852582, 4048476, 4494679, 4570860, 4723222, 5060595, 5136776, 6420970, 6747460, 7084833, 7705164, 8096952, 8989358, 9141720, 9446444, 9631455, 10121190, 11808055, 12841940, 13484037, 13494920, 14169666, 15410328, 17978716, 18892888, 19262910, 19905007, 20242380, 22473395, 23616110, 25683880, 26968074, 28339332, 35424165, 35957432, 38525820, 39810014, 40484760, 44946790, 47232220, 53936148, 56678664, 59715021, 67420185, 70848330, 77051640, 79620028, 89893580, 94464440, 99525035, 107872296, 119430042, 134840370, 139335049, 141696660, 159240056, 179787160, 199050070, 238860084, 269680740, 278670098, 283393320, 298575105, 398100140, 418005147, 477720168, 539361480, 557340196, 597150210, 696675245, 796200280, 836010294, 1114680392, 1194300420, 1393350490, 1672020588, 2090025735, 2388600840, 2786700980, 3344041176, 4180051470, 5573401960, 8360102940, 16720205880]

約数ペア:

[(1, 16720205880), (2, 8360102940), (3, 5573401960), (4, 4180051470), (5, 3344041176), (6, 2786700980), (7, 2388600840), (8, 2090025735), (10, 1672020588), (12, 1393350490), (14, 1194300420), (15, 1114680392), (20, 836010294), (21, 796200280), (24, 696675245), (28, 597150210), (30, 557340196), (31, 539361480), (35, 477720168), (40, 418005147), (42, 398100140), (56, 298575105), (59, 283393320), (60, 278670098), (62, 269680740), (70, 238860084), (84, 199050070), (93, 179787160), (105, 159240056), (118, 141696660), (120, 139335049), (124, 134840370), (140, 119430042), (155, 107872296), (168, 99525035), (177, 94464440), (186, 89893580), (210, 79620028), (217, 77051640), (236, 70848330), (248, 67420185), (280, 59715021), (295, 56678664), (310, 53936148), (354, 47232220), (372, 44946790), (413, 40484760), (420, 39810014), (434, 38525820), (465, 35957432), (472, 35424165), (590, 28339332), (620, 26968074), (651, 25683880), (708, 23616110), (744, 22473395), (826, 20242380), (840, 19905007), (868, 19262910), (885, 18892888), (930, 17978716), (1085, 15410328), (1180, 14169666), (1239, 13494920), (1240, 13484037), (1302, 12841940), (1416, 11808055), (1652, 10121190), (1736, 9631455), (1770, 9446444), (1829, 9141720), (1860, 8989358), (2065, 8096952), (2170, 7705164), (2360, 7084833), (2478, 6747460), (2604, 6420970), (3255, 5136776), (3304, 5060595), (3540, 4723222), (3658, 4570860), (3720, 4494679), (4130, 4048476), (4340, 3852582), (4956, 3373730), (5208, 3210485), (5487, 3047240), (6195, 2698984), (6510, 2568388), (7080, 2361611), (7316, 2285430), (8260, 2024238), (8680, 1926291), (9145, 1828344), (9912, 1686865), (10883, 1536360), (10974, 1523620), (12390, 1349492), (12803, 1305960), (13020, 1284194), (14632, 1142715), (16520, 1012119), (18290, 914172), (21766, 768180), (21948, 761810), (24780, 674746), (25606, 652980), (26040, 642097), (27435, 609448), (32649, 512120), (36580, 457086), (38409, 435320), (43532, 384090), (43896, 380905), (49560, 337373), (51212, 326490), (54415, 307272), (54870, 304724), (64015, 261192), (65298, 256060), (73160, 228543), (76181, 219480), (76818, 217660), (87064, 192045), (102424, 163245), (108830, 153636), (109740, 152362), (128030, 130596)]