20806768080

素因数分解:

$2^4\times 3^8\times 5^1\times 7^2\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 540

約数和(自身を含む): 84510768420

約数和(自身を除く): 63704000340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 243, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 486, 490, 504, 540, 560, 567, 588, 630, 648, 720, 729, 735, 756, 784, 809, 810, 840, 882, 945, 972, 980, 1008, 1080, 1134, 1176, 1215, 1260, 1296, 1323, 1458, 1470, 1512, 1618, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2160, 2187, 2205, 2268, 2352, 2427, 2430, 2520, 2646, 2835, 2916, 2940, 3024, 3236, 3240, 3402, 3528, 3645, 3780, 3888, 3920, 3969, 4045, 4374, 4410, 4536, 4854, 4860, 5040, 5103, 5292, 5663, 5670, 5832, 5880, 6472, 6480, 6561, 6615, 6804, 7056, 7281, 7290, 7560, 7938, 8090, 8505, 8748, 8820, 9072, 9708, 9720, 10206, 10584, 10935, 11326, 11340, 11664, 11760, 11907, 12135, 12944, 13122, 13230, 13608, 14562, 14580, 15120, 15309, 15876, 16180, 16989, 17010, 17496, 17640, 19416, 19440, 19845, 20412, 21168, 21843, 21870, 22652, 22680, 23814, 24270, 25515, 26244, 26460, 27216, 28315, 29124, 29160, 30618, 31752, 32360, 32805, 33978, 34020, 34992, 35280, 35721, 36405, 38832, 39641, 39690, 40824, 43686, 43740, 45304, 45360, 45927, 47628, 48540, 50967, 51030, 52488, 52920, 56630, 58248, 58320, 59535, 61236, 63504, 64720, 65529, 65610, 67956, 68040, 71442, 72810, 76545, 79282, 79380, 81648, 84945, 87372, 87480, 90608, 91854, 95256, 97080, 101934, 102060, 104976, 105840, 107163, 109215, 113260, 116496, 118923, 119070, 122472, 131058, 131220, 135912, 136080, 142884, 145620, 152901, 153090, 158564, 158760, 169890, 174744, 174960, 178605, 183708, 190512, 194160, 196587, 198205, 203868, 204120, 214326, 218430, 226520, 229635, 237846, 238140, 244944, 254835, 262116, 262440, 271824, 285768, 291240, 305802, 306180, 317128, 317520, 321489, 327645, 339780, 349488, 356769, 357210, 367416, 393174, 396410, 407736, 408240, 428652, 436860, 453040, 458703, 459270, 475692, 476280, 509670, 524232, 524880, 535815, 571536, 582480, 589761, 594615, 611604, 612360, 634256, 642978, 655290, 679560, 713538, 714420, 734832, 764505, 786348, 792820, 815472, 857304, 873720, 917406, 918540, 951384, 952560, 982935, 1019340, 1048464, 1070307, 1071630, 1179522, 1189230, 1223208, 1224720, 1285956, 1310580, 1359120, 1376109, 1427076, 1428840, 1529010, 1572696, 1585640, 1607445, 1714608, 1747440, 1769283, 1783845, 1834812, 1837080, 1902768, 1965870, 2038680, 2140614, 2143260, 2293515, 2359044, 2378460, 2446416, 2571912, 2621160, 2752218, 2854152, 2857680, 2948805, 3058020, 3145392, 3171280, 3210921, 3214890, 3538566, 3567690, 3669624, 3674160, 3931740, 4077360, 4128327, 4281228, 4286520, 4587030, 4718088, 4756920, 5143824, 5242320, 5307849, 5351535, 5504436, 5708304, 5897610, 6116040, 6421842, 6429780, 6880545, 7077132, 7135380, 7339248, 7863480, 8256654, 8562456, 8573040, 8846415, 9174060, 9436176, 9513840, 9632763, 10615698, 10703070, 11008872, 11795220, 12232080, 12384981, 12843684, 12859560, 13761090, 14154264, 14270760, 15726960, 16054605, 16513308, 17124912, 17692830, 18348120, 19265526, 20641635, 21231396, 21406140, 22017744, 23590440, 24769962, 25687368, 25719120, 26539245, 27522180, 28308528, 28541520, 28898289, 32109210, 33026616, 35385660, 36696240, 37154943, 38531052, 41283270, 42462792, 42812280, 47180880, 48163815, 49539924, 51374736, 53078490, 55044360, 57796578, 61924905, 64218420, 66053232, 70771320, 74309886, 77062104, 82566540, 84925584, 85624560, 86694867, 96327630, 99079848, 106156980, 110088720, 115593156, 123849810, 128436840, 141542640, 144491445, 148619772, 154124208, 165133080, 173389734, 185774715, 192655260, 198159696, 212313960, 231186312, 247699620, 256873680, 260084601, 288982890, 297239544, 330266160, 346779468, 371549430, 385310520, 424627920, 433474335, 462372624, 495399240, 520169202, 577965780, 594479088, 693558936, 743098860, 770621040, 866948670, 990798480, 1040338404, 1155931560, 1300423005, 1387117872, 1486197720, 1733897340, 2080676808, 2311863120, 2600846010, 2972395440, 3467794680, 4161353616, 5201692020, 6935589360, 10403384040, 20806768080]

約数ペア:

[(1, 20806768080), (2, 10403384040), (3, 6935589360), (4, 5201692020), (5, 4161353616), (6, 3467794680), (7, 2972395440), (8, 2600846010), (9, 2311863120), (10, 2080676808), (12, 1733897340), (14, 1486197720), (15, 1387117872), (16, 1300423005), (18, 1155931560), (20, 1040338404), (21, 990798480), (24, 866948670), (27, 770621040), (28, 743098860), (30, 693558936), (35, 594479088), (36, 577965780), (40, 520169202), (42, 495399240), (45, 462372624), (48, 433474335), (49, 424627920), (54, 385310520), (56, 371549430), (60, 346779468), (63, 330266160), (70, 297239544), (72, 288982890), (80, 260084601), (81, 256873680), (84, 247699620), (90, 231186312), (98, 212313960), (105, 198159696), (108, 192655260), (112, 185774715), (120, 173389734), (126, 165133080), (135, 154124208), (140, 148619772), (144, 144491445), (147, 141542640), (162, 128436840), (168, 123849810), (180, 115593156), (189, 110088720), (196, 106156980), (210, 99079848), (216, 96327630), (240, 86694867), (243, 85624560), (245, 84925584), (252, 82566540), (270, 77062104), (280, 74309886), (294, 70771320), (315, 66053232), (324, 64218420), (336, 61924905), (360, 57796578), (378, 55044360), (392, 53078490), (405, 51374736), (420, 49539924), (432, 48163815), (441, 47180880), (486, 42812280), (490, 42462792), (504, 41283270), (540, 38531052), (560, 37154943), (567, 36696240), (588, 35385660), (630, 33026616), (648, 32109210), (720, 28898289), (729, 28541520), (735, 28308528), (756, 27522180), (784, 26539245), (809, 25719120), (810, 25687368), (840, 24769962), (882, 23590440), (945, 22017744), (972, 21406140), (980, 21231396), (1008, 20641635), (1080, 19265526), (1134, 18348120), (1176, 17692830), (1215, 17124912), (1260, 16513308), (1296, 16054605), (1323, 15726960), (1458, 14270760), (1470, 14154264), (1512, 13761090), (1618, 12859560), (1620, 12843684), (1680, 12384981), (1701, 12232080), (1764, 11795220), (1890, 11008872), (1944, 10703070), (1960, 10615698), (2160, 9632763), (2187, 9513840), (2205, 9436176), (2268, 9174060), (2352, 8846415), (2427, 8573040), (2430, 8562456), (2520, 8256654), (2646, 7863480), (2835, 7339248), (2916, 7135380), (2940, 7077132), (3024, 6880545), (3236, 6429780), (3240, 6421842), (3402, 6116040), (3528, 5897610), (3645, 5708304), (3780, 5504436), (3888, 5351535), (3920, 5307849), (3969, 5242320), (4045, 5143824), (4374, 4756920), (4410, 4718088), (4536, 4587030), (4854, 4286520), (4860, 4281228), (5040, 4128327), (5103, 4077360), (5292, 3931740), (5663, 3674160), (5670, 3669624), (5832, 3567690), (5880, 3538566), (6472, 3214890), (6480, 3210921), (6561, 3171280), (6615, 3145392), (6804, 3058020), (7056, 2948805), (7281, 2857680), (7290, 2854152), (7560, 2752218), (7938, 2621160), (8090, 2571912), (8505, 2446416), (8748, 2378460), (8820, 2359044), (9072, 2293515), (9708, 2143260), (9720, 2140614), (10206, 2038680), (10584, 1965870), (10935, 1902768), (11326, 1837080), (11340, 1834812), (11664, 1783845), (11760, 1769283), (11907, 1747440), (12135, 1714608), (12944, 1607445), (13122, 1585640), (13230, 1572696), (13608, 1529010), (14562, 1428840), (14580, 1427076), (15120, 1376109), (15309, 1359120), (15876, 1310580), (16180, 1285956), (16989, 1224720), (17010, 1223208), (17496, 1189230), (17640, 1179522), (19416, 1071630), (19440, 1070307), (19845, 1048464), (20412, 1019340), (21168, 982935), (21843, 952560), (21870, 951384), (22652, 918540), (22680, 917406), (23814, 873720), (24270, 857304), (25515, 815472), (26244, 792820), (26460, 786348), (27216, 764505), (28315, 734832), (29124, 714420), (29160, 713538), (30618, 679560), (31752, 655290), (32360, 642978), (32805, 634256), (33978, 612360), (34020, 611604), (34992, 594615), (35280, 589761), (35721, 582480), (36405, 571536), (38832, 535815), (39641, 524880), (39690, 524232), (40824, 509670), (43686, 476280), (43740, 475692), (45304, 459270), (45360, 458703), (45927, 453040), (47628, 436860), (48540, 428652), (50967, 408240), (51030, 407736), (52488, 396410), (52920, 393174), (56630, 367416), (58248, 357210), (58320, 356769), (59535, 349488), (61236, 339780), (63504, 327645), (64720, 321489), (65529, 317520), (65610, 317128), (67956, 306180), (68040, 305802), (71442, 291240), (72810, 285768), (76545, 271824), (79282, 262440), (79380, 262116), (81648, 254835), (84945, 244944), (87372, 238140), (87480, 237846), (90608, 229635), (91854, 226520), (95256, 218430), (97080, 214326), (101934, 204120), (102060, 203868), (104976, 198205), (105840, 196587), (107163, 194160), (109215, 190512), (113260, 183708), (116496, 178605), (118923, 174960), (119070, 174744), (122472, 169890), (131058, 158760), (131220, 158564), (135912, 153090), (136080, 152901), (142884, 145620)]