81581888640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{20717}}^1$

素因数の和:21039

約数の個数: 256

約数和(自身を含む): 298219864320

約数和(自身を除く): 216637975680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 293, 320, 336, 384, 420, 448, 480, 560, 586, 640, 672, 840, 879, 896, 960, 1120, 1172, 1344, 1465, 1680, 1758, 1920, 2051, 2240, 2344, 2688, 2930, 3360, 3516, 4102, 4395, 4480, 4688, 5860, 6153, 6720, 7032, 8204, 8790, 9376, 10255, 11720, 12306, 13440, 14064, 16408, 17580, 18752, 20510, 20717, 23440, 24612, 28128, 30765, 32816, 35160, 37504, 41020, 41434, 46880, 49224, 56256, 61530, 62151, 65632, 70320, 82040, 82868, 93760, 98448, 103585, 112512, 123060, 124302, 131264, 140640, 145019, 164080, 165736, 187520, 196896, 207170, 246120, 248604, 262528, 281280, 290038, 310755, 328160, 331472, 393792, 414340, 435057, 492240, 497208, 562560, 580076, 621510, 656320, 662944, 725095, 787584, 828680, 870114, 984480, 994416, 1160152, 1243020, 1312640, 1325888, 1450190, 1657360, 1740228, 1968960, 1988832, 2175285, 2320304, 2486040, 2651776, 2900380, 3314720, 3480456, 3937920, 3977664, 4350570, 4640608, 4972080, 5800760, 6070081, 6629440, 6960912, 7955328, 8701140, 9281216, 9944160, 11601520, 12140162, 13258880, 13921824, 17402280, 18210243, 18562432, 19888320, 23203040, 24280324, 27843648, 30350405, 34804560, 36420486, 39776640, 42490567, 46406080, 48560648, 55687296, 60700810, 69609120, 72840972, 84981134, 91051215, 92812160, 97121296, 121401620, 127471701, 139218240, 145681944, 169962268, 182102430, 194242592, 212452835, 242803240, 254943402, 278436480, 291363888, 339924536, 364204860, 388485184, 424905670, 485606480, 509886804, 582727776, 637358505, 679849072, 728409720, 776970368, 849811340, 971212960, 1019773608, 1165455552, 1274717010, 1359698144, 1456819440, 1699622680, 1942425920, 2039547216, 2330911104, 2549434020, 2719396288, 2913638880, 3399245360, 3884851840, 4079094432, 5098868040, 5438792576, 5827277760, 6798490720, 8158188864, 10197736080, 11654555520, 13596981440, 16316377728, 20395472160, 27193962880, 40790944320, 81581888640]

約数ペア:

[(1, 81581888640), (2, 40790944320), (3, 27193962880), (4, 20395472160), (5, 16316377728), (6, 13596981440), (7, 11654555520), (8, 10197736080), (10, 8158188864), (12, 6798490720), (14, 5827277760), (15, 5438792576), (16, 5098868040), (20, 4079094432), (21, 3884851840), (24, 3399245360), (28, 2913638880), (30, 2719396288), (32, 2549434020), (35, 2330911104), (40, 2039547216), (42, 1942425920), (48, 1699622680), (56, 1456819440), (60, 1359698144), (64, 1274717010), (70, 1165455552), (80, 1019773608), (84, 971212960), (96, 849811340), (105, 776970368), (112, 728409720), (120, 679849072), (128, 637358505), (140, 582727776), (160, 509886804), (168, 485606480), (192, 424905670), (210, 388485184), (224, 364204860), (240, 339924536), (280, 291363888), (293, 278436480), (320, 254943402), (336, 242803240), (384, 212452835), (420, 194242592), (448, 182102430), (480, 169962268), (560, 145681944), (586, 139218240), (640, 127471701), (672, 121401620), (840, 97121296), (879, 92812160), (896, 91051215), (960, 84981134), (1120, 72840972), (1172, 69609120), (1344, 60700810), (1465, 55687296), (1680, 48560648), (1758, 46406080), (1920, 42490567), (2051, 39776640), (2240, 36420486), (2344, 34804560), (2688, 30350405), (2930, 27843648), (3360, 24280324), (3516, 23203040), (4102, 19888320), (4395, 18562432), (4480, 18210243), (4688, 17402280), (5860, 13921824), (6153, 13258880), (6720, 12140162), (7032, 11601520), (8204, 9944160), (8790, 9281216), (9376, 8701140), (10255, 7955328), (11720, 6960912), (12306, 6629440), (13440, 6070081), (14064, 5800760), (16408, 4972080), (17580, 4640608), (18752, 4350570), (20510, 3977664), (20717, 3937920), (23440, 3480456), (24612, 3314720), (28128, 2900380), (30765, 2651776), (32816, 2486040), (35160, 2320304), (37504, 2175285), (41020, 1988832), (41434, 1968960), (46880, 1740228), (49224, 1657360), (56256, 1450190), (61530, 1325888), (62151, 1312640), (65632, 1243020), (70320, 1160152), (82040, 994416), (82868, 984480), (93760, 870114), (98448, 828680), (103585, 787584), (112512, 725095), (123060, 662944), (124302, 656320), (131264, 621510), (140640, 580076), (145019, 562560), (164080, 497208), (165736, 492240), (187520, 435057), (196896, 414340), (207170, 393792), (246120, 331472), (248604, 328160), (262528, 310755), (281280, 290038)]