20688096240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{21491}}^1$

素因数の和:21708

約数の個数: 240

約数和(自身を含む): 79822319616

約数和(自身を除く): 59134223376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 191, 210, 240, 252, 280, 315, 336, 360, 382, 420, 504, 560, 573, 630, 720, 764, 840, 955, 1008, 1146, 1260, 1337, 1528, 1680, 1719, 1910, 2292, 2520, 2674, 2865, 3056, 3438, 3820, 4011, 4584, 5040, 5348, 5730, 6685, 6876, 7640, 8022, 8595, 9168, 10696, 11460, 12033, 13370, 13752, 15280, 16044, 17190, 20055, 21392, 21491, 22920, 24066, 26740, 27504, 32088, 34380, 40110, 42982, 45840, 48132, 53480, 60165, 64176, 64473, 68760, 80220, 85964, 96264, 106960, 107455, 120330, 128946, 137520, 150437, 160440, 171928, 192528, 193419, 214910, 240660, 257892, 300874, 320880, 322365, 343856, 386838, 429820, 451311, 481320, 515784, 601748, 644730, 752185, 773676, 859640, 902622, 962640, 967095, 1031568, 1203496, 1289460, 1353933, 1504370, 1547352, 1719280, 1805244, 1934190, 2256555, 2406992, 2578920, 2707866, 3008740, 3094704, 3610488, 3868380, 4104781, 4513110, 5157840, 5415732, 6017480, 6769665, 7220976, 7736760, 8209562, 9026220, 10831464, 12034960, 12314343, 13539330, 15473520, 16419124, 18052440, 20523905, 21662928, 24628686, 27078660, 28733467, 32838248, 36104880, 36943029, 41047810, 49257372, 54157320, 57466934, 61571715, 65676496, 73886058, 82095620, 86200401, 98514744, 108314640, 114933868, 123143430, 143667335, 147772116, 164191240, 172400802, 184715145, 197029488, 229867736, 246286860, 258601203, 287334670, 295544232, 328382480, 344801604, 369430290, 431002005, 459735472, 492573720, 517202406, 574669340, 591088464, 689603208, 738860580, 862004010, 985147440, 1034404812, 1149338680, 1293006015, 1379206416, 1477721160, 1724008020, 2068809624, 2298677360, 2586012030, 2955442320, 3448016040, 4137619248, 5172024060, 6896032080, 10344048120, 20688096240]

約数ペア:

[(1, 20688096240), (2, 10344048120), (3, 6896032080), (4, 5172024060), (5, 4137619248), (6, 3448016040), (7, 2955442320), (8, 2586012030), (9, 2298677360), (10, 2068809624), (12, 1724008020), (14, 1477721160), (15, 1379206416), (16, 1293006015), (18, 1149338680), (20, 1034404812), (21, 985147440), (24, 862004010), (28, 738860580), (30, 689603208), (35, 591088464), (36, 574669340), (40, 517202406), (42, 492573720), (45, 459735472), (48, 431002005), (56, 369430290), (60, 344801604), (63, 328382480), (70, 295544232), (72, 287334670), (80, 258601203), (84, 246286860), (90, 229867736), (105, 197029488), (112, 184715145), (120, 172400802), (126, 164191240), (140, 147772116), (144, 143667335), (168, 123143430), (180, 114933868), (191, 108314640), (210, 98514744), (240, 86200401), (252, 82095620), (280, 73886058), (315, 65676496), (336, 61571715), (360, 57466934), (382, 54157320), (420, 49257372), (504, 41047810), (560, 36943029), (573, 36104880), (630, 32838248), (720, 28733467), (764, 27078660), (840, 24628686), (955, 21662928), (1008, 20523905), (1146, 18052440), (1260, 16419124), (1337, 15473520), (1528, 13539330), (1680, 12314343), (1719, 12034960), (1910, 10831464), (2292, 9026220), (2520, 8209562), (2674, 7736760), (2865, 7220976), (3056, 6769665), (3438, 6017480), (3820, 5415732), (4011, 5157840), (4584, 4513110), (5040, 4104781), (5348, 3868380), (5730, 3610488), (6685, 3094704), (6876, 3008740), (7640, 2707866), (8022, 2578920), (8595, 2406992), (9168, 2256555), (10696, 1934190), (11460, 1805244), (12033, 1719280), (13370, 1547352), (13752, 1504370), (15280, 1353933), (16044, 1289460), (17190, 1203496), (20055, 1031568), (21392, 967095), (21491, 962640), (22920, 902622), (24066, 859640), (26740, 773676), (27504, 752185), (32088, 644730), (34380, 601748), (40110, 515784), (42982, 481320), (45840, 451311), (48132, 429820), (53480, 386838), (60165, 343856), (64176, 322365), (64473, 320880), (68760, 300874), (80220, 257892), (85964, 240660), (96264, 214910), (106960, 193419), (107455, 192528), (120330, 171928), (128946, 160440), (137520, 150437)]