1661778720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:517

約数の個数: 384

約数和(自身を含む): 6706022400

約数和(自身を除く): 5044243680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 179, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 307, 315, 336, 358, 360, 378, 420, 432, 480, 504, 537, 540, 560, 614, 630, 672, 716, 720, 756, 840, 864, 895, 921, 945, 1008, 1074, 1080, 1120, 1228, 1253, 1260, 1432, 1440, 1512, 1535, 1611, 1680, 1790, 1842, 1890, 2016, 2148, 2149, 2160, 2456, 2506, 2520, 2685, 2763, 2864, 3024, 3070, 3222, 3360, 3580, 3684, 3759, 3780, 4296, 4298, 4320, 4605, 4833, 4912, 5012, 5040, 5370, 5526, 5728, 6048, 6140, 6265, 6444, 6447, 7160, 7368, 7518, 7560, 8055, 8289, 8592, 8596, 9210, 9666, 9824, 10024, 10080, 10740, 10745, 11052, 11277, 12280, 12530, 12888, 12894, 13815, 14320, 14736, 15036, 15120, 16110, 16578, 17184, 17192, 18420, 18795, 19332, 19341, 20048, 21480, 21490, 22104, 22554, 24165, 24560, 25060, 25776, 25788, 27630, 28640, 29472, 30072, 30240, 32220, 32235, 33156, 33831, 34384, 36840, 37590, 38664, 38682, 40096, 41445, 42960, 42980, 44208, 45108, 48330, 49120, 50120, 51552, 51576, 54953, 55260, 56385, 58023, 60144, 64440, 64470, 66312, 67662, 68768, 73680, 75180, 77328, 77364, 82890, 85920, 85960, 88416, 90216, 96660, 96705, 100240, 103152, 109906, 110520, 112770, 116046, 120288, 128880, 128940, 132624, 135324, 147360, 150360, 154656, 154728, 164859, 165780, 169155, 171920, 180432, 193320, 193410, 200480, 206304, 219812, 221040, 225540, 232092, 257760, 257880, 265248, 270648, 274765, 290115, 300720, 309456, 329718, 331560, 338310, 343840, 360864, 384671, 386640, 386820, 439624, 442080, 451080, 464184, 494577, 515760, 541296, 549530, 580230, 601440, 618912, 659436, 663120, 676620, 769342, 773280, 773640, 824295, 879248, 902160, 928368, 989154, 1031520, 1082592, 1099060, 1154013, 1160460, 1318872, 1326240, 1353240, 1483731, 1538684, 1547280, 1648590, 1758496, 1804320, 1856736, 1923355, 1978308, 2198120, 2308026, 2320920, 2472885, 2637744, 2706480, 2967462, 3077368, 3094560, 3297180, 3462039, 3846710, 3956616, 4396240, 4616052, 4641840, 4945770, 5275488, 5412960, 5770065, 5934924, 6154736, 6594360, 6924078, 7418655, 7693420, 7913232, 8792480, 9232104, 9283680, 9891540, 10386117, 11540130, 11869848, 12309472, 13188720, 13848156, 14837310, 15386840, 15826464, 17310195, 18464208, 19783080, 20772234, 23080260, 23739696, 26377440, 27696312, 29674620, 30773680, 34620390, 36928416, 39566160, 41544468, 46160520, 47479392, 51930585, 55392624, 59349240, 61547360, 69240780, 79132320, 83088936, 92321040, 103861170, 110785248, 118698480, 138481560, 166177872, 184642080, 207722340, 237396960, 276963120, 332355744, 415444680, 553926240, 830889360, 1661778720]

約数ペア:

[(1, 1661778720), (2, 830889360), (3, 553926240), (4, 415444680), (5, 332355744), (6, 276963120), (7, 237396960), (8, 207722340), (9, 184642080), (10, 166177872), (12, 138481560), (14, 118698480), (15, 110785248), (16, 103861170), (18, 92321040), (20, 83088936), (21, 79132320), (24, 69240780), (27, 61547360), (28, 59349240), (30, 55392624), (32, 51930585), (35, 47479392), (36, 46160520), (40, 41544468), (42, 39566160), (45, 36928416), (48, 34620390), (54, 30773680), (56, 29674620), (60, 27696312), (63, 26377440), (70, 23739696), (72, 23080260), (80, 20772234), (84, 19783080), (90, 18464208), (96, 17310195), (105, 15826464), (108, 15386840), (112, 14837310), (120, 13848156), (126, 13188720), (135, 12309472), (140, 11869848), (144, 11540130), (160, 10386117), (168, 9891540), (179, 9283680), (180, 9232104), (189, 8792480), (210, 7913232), (216, 7693420), (224, 7418655), (240, 6924078), (252, 6594360), (270, 6154736), (280, 5934924), (288, 5770065), (307, 5412960), (315, 5275488), (336, 4945770), (358, 4641840), (360, 4616052), (378, 4396240), (420, 3956616), (432, 3846710), (480, 3462039), (504, 3297180), (537, 3094560), (540, 3077368), (560, 2967462), (614, 2706480), (630, 2637744), (672, 2472885), (716, 2320920), (720, 2308026), (756, 2198120), (840, 1978308), (864, 1923355), (895, 1856736), (921, 1804320), (945, 1758496), (1008, 1648590), (1074, 1547280), (1080, 1538684), (1120, 1483731), (1228, 1353240), (1253, 1326240), (1260, 1318872), (1432, 1160460), (1440, 1154013), (1512, 1099060), (1535, 1082592), (1611, 1031520), (1680, 989154), (1790, 928368), (1842, 902160), (1890, 879248), (2016, 824295), (2148, 773640), (2149, 773280), (2160, 769342), (2456, 676620), (2506, 663120), (2520, 659436), (2685, 618912), (2763, 601440), (2864, 580230), (3024, 549530), (3070, 541296), (3222, 515760), (3360, 494577), (3580, 464184), (3684, 451080), (3759, 442080), (3780, 439624), (4296, 386820), (4298, 386640), (4320, 384671), (4605, 360864), (4833, 343840), (4912, 338310), (5012, 331560), (5040, 329718), (5370, 309456), (5526, 300720), (5728, 290115), (6048, 274765), (6140, 270648), (6265, 265248), (6444, 257880), (6447, 257760), (7160, 232092), (7368, 225540), (7518, 221040), (7560, 219812), (8055, 206304), (8289, 200480), (8592, 193410), (8596, 193320), (9210, 180432), (9666, 171920), (9824, 169155), (10024, 165780), (10080, 164859), (10740, 154728), (10745, 154656), (11052, 150360), (11277, 147360), (12280, 135324), (12530, 132624), (12888, 128940), (12894, 128880), (13815, 120288), (14320, 116046), (14736, 112770), (15036, 110520), (15120, 109906), (16110, 103152), (16578, 100240), (17184, 96705), (17192, 96660), (18420, 90216), (18795, 88416), (19332, 85960), (19341, 85920), (20048, 82890), (21480, 77364), (21490, 77328), (22104, 75180), (22554, 73680), (24165, 68768), (24560, 67662), (25060, 66312), (25776, 64470), (25788, 64440), (27630, 60144), (28640, 58023), (29472, 56385), (30072, 55260), (30240, 54953), (32220, 51576), (32235, 51552), (33156, 50120), (33831, 49120), (34384, 48330), (36840, 45108), (37590, 44208), (38664, 42980), (38682, 42960), (40096, 41445)]