661066560

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 504

約数和(自身を含む): 2866875648

約数和(自身を除く): 2205809088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 121, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 192, 198, 210, 220, 224, 231, 240, 242, 252, 264, 271, 280, 288, 308, 315, 320, 330, 336, 352, 360, 363, 385, 396, 420, 440, 448, 462, 480, 484, 495, 504, 528, 542, 560, 576, 605, 616, 630, 660, 672, 693, 704, 720, 726, 770, 792, 813, 840, 847, 880, 924, 960, 968, 990, 1008, 1056, 1084, 1089, 1120, 1155, 1210, 1232, 1260, 1320, 1344, 1355, 1386, 1440, 1452, 1540, 1584, 1626, 1680, 1694, 1760, 1815, 1848, 1897, 1936, 1980, 2016, 2112, 2168, 2178, 2240, 2310, 2420, 2439, 2464, 2520, 2541, 2640, 2710, 2772, 2880, 2904, 2981, 3080, 3168, 3252, 3360, 3388, 3465, 3520, 3630, 3696, 3794, 3872, 3960, 4032, 4065, 4235, 4336, 4356, 4620, 4840, 4878, 4928, 5040, 5082, 5280, 5420, 5445, 5544, 5691, 5808, 5962, 6160, 6336, 6504, 6720, 6776, 6930, 7260, 7392, 7588, 7623, 7744, 7920, 8130, 8470, 8672, 8712, 8943, 9240, 9485, 9680, 9756, 10080, 10164, 10560, 10840, 10890, 11088, 11382, 11616, 11924, 12195, 12320, 12705, 13008, 13552, 13860, 14520, 14784, 14905, 15176, 15246, 15840, 16260, 16940, 17073, 17344, 17424, 17886, 18480, 18970, 19360, 19512, 20160, 20328, 20867, 21680, 21780, 22176, 22764, 23232, 23848, 24390, 24640, 25410, 26016, 26829, 27104, 27720, 28455, 29040, 29810, 30352, 30492, 31680, 32520, 32791, 33880, 34146, 34848, 35772, 36960, 37940, 38115, 38720, 39024, 40656, 41734, 43360, 43560, 44352, 44715, 45528, 47696, 48780, 50820, 52032, 53658, 54208, 55440, 56910, 58080, 59620, 60704, 60984, 62601, 65040, 65582, 67760, 68292, 69696, 71544, 73920, 75880, 76230, 78048, 81312, 83468, 85365, 86720, 87120, 89430, 91056, 95392, 97560, 98373, 101640, 104335, 107316, 110880, 113820, 116160, 119240, 121408, 121968, 125202, 130080, 131164, 134145, 135520, 136584, 143088, 151760, 152460, 156096, 162624, 163955, 166936, 170730, 174240, 178860, 182112, 187803, 190784, 195120, 196746, 203280, 208670, 214632, 221760, 227640, 229537, 238480, 243936, 250404, 260160, 262328, 268290, 271040, 273168, 286176, 295119, 303520, 304920, 313005, 327910, 333872, 341460, 348480, 357720, 364224, 375606, 390240, 393492, 406560, 417340, 429264, 455280, 459074, 476960, 487872, 491865, 500808, 524656, 536580, 546336, 572352, 590238, 607040, 609840, 626010, 655820, 667744, 682920, 688611, 715440, 751212, 780480, 786984, 813120, 834680, 858528, 910560, 918148, 939015, 953920, 983730, 1001616, 1049312, 1073160, 1092672, 1147685, 1180476, 1219680, 1252020, 1311640, 1335488, 1365840, 1377222, 1430880, 1475595, 1502424, 1573968, 1669360, 1717056, 1821120, 1836296, 1878030, 1967460, 2003232, 2065833, 2098624, 2146320, 2295370, 2360952, 2439360, 2504040, 2623280, 2731680, 2754444, 2861760, 2951190, 3004848, 3147936, 3338720, 3443055, 3672592, 3756060, 3934920, 4006464, 4131666, 4292640, 4590740, 4721904, 5008080, 5246560, 5463360, 5508888, 5902380, 6009696, 6295872, 6677440, 6886110, 7345184, 7512120, 7869840, 8263332, 8585280, 9181480, 9443808, 10016160, 10329165, 10493120, 11017776, 11804760, 12019392, 13772220, 14690368, 15024240, 15739680, 16526664, 18362960, 18887616, 20032320, 20658330, 22035552, 23609520, 27544440, 30048480, 31479360, 33053328, 36725920, 41316660, 44071104, 47219040, 55088880, 60096960, 66106656, 73451840, 82633320, 94438080, 110177760, 132213312, 165266640, 220355520, 330533280, 661066560]

約数ペア:

[(1, 661066560), (2, 330533280), (3, 220355520), (4, 165266640), (5, 132213312), (6, 110177760), (7, 94438080), (8, 82633320), (9, 73451840), (10, 66106656), (11, 60096960), (12, 55088880), (14, 47219040), (15, 44071104), (16, 41316660), (18, 36725920), (20, 33053328), (21, 31479360), (22, 30048480), (24, 27544440), (28, 23609520), (30, 22035552), (32, 20658330), (33, 20032320), (35, 18887616), (36, 18362960), (40, 16526664), (42, 15739680), (44, 15024240), (45, 14690368), (48, 13772220), (55, 12019392), (56, 11804760), (60, 11017776), (63, 10493120), (64, 10329165), (66, 10016160), (70, 9443808), (72, 9181480), (77, 8585280), (80, 8263332), (84, 7869840), (88, 7512120), (90, 7345184), (96, 6886110), (99, 6677440), (105, 6295872), (110, 6009696), (112, 5902380), (120, 5508888), (121, 5463360), (126, 5246560), (132, 5008080), (140, 4721904), (144, 4590740), (154, 4292640), (160, 4131666), (165, 4006464), (168, 3934920), (176, 3756060), (180, 3672592), (192, 3443055), (198, 3338720), (210, 3147936), (220, 3004848), (224, 2951190), (231, 2861760), (240, 2754444), (242, 2731680), (252, 2623280), (264, 2504040), (271, 2439360), (280, 2360952), (288, 2295370), (308, 2146320), (315, 2098624), (320, 2065833), (330, 2003232), (336, 1967460), (352, 1878030), (360, 1836296), (363, 1821120), (385, 1717056), (396, 1669360), (420, 1573968), (440, 1502424), (448, 1475595), (462, 1430880), (480, 1377222), (484, 1365840), (495, 1335488), (504, 1311640), (528, 1252020), (542, 1219680), (560, 1180476), (576, 1147685), (605, 1092672), (616, 1073160), (630, 1049312), (660, 1001616), (672, 983730), (693, 953920), (704, 939015), (720, 918148), (726, 910560), (770, 858528), (792, 834680), (813, 813120), (840, 786984), (847, 780480), (880, 751212), (924, 715440), (960, 688611), (968, 682920), (990, 667744), (1008, 655820), (1056, 626010), (1084, 609840), (1089, 607040), (1120, 590238), (1155, 572352), (1210, 546336), (1232, 536580), (1260, 524656), (1320, 500808), (1344, 491865), (1355, 487872), (1386, 476960), (1440, 459074), (1452, 455280), (1540, 429264), (1584, 417340), (1626, 406560), (1680, 393492), (1694, 390240), (1760, 375606), (1815, 364224), (1848, 357720), (1897, 348480), (1936, 341460), (1980, 333872), (2016, 327910), (2112, 313005), (2168, 304920), (2178, 303520), (2240, 295119), (2310, 286176), (2420, 273168), (2439, 271040), (2464, 268290), (2520, 262328), (2541, 260160), (2640, 250404), (2710, 243936), (2772, 238480), (2880, 229537), (2904, 227640), (2981, 221760), (3080, 214632), (3168, 208670), (3252, 203280), (3360, 196746), (3388, 195120), (3465, 190784), (3520, 187803), (3630, 182112), (3696, 178860), (3794, 174240), (3872, 170730), (3960, 166936), (4032, 163955), (4065, 162624), (4235, 156096), (4336, 152460), (4356, 151760), (4620, 143088), (4840, 136584), (4878, 135520), (4928, 134145), (5040, 131164), (5082, 130080), (5280, 125202), (5420, 121968), (5445, 121408), (5544, 119240), (5691, 116160), (5808, 113820), (5962, 110880), (6160, 107316), (6336, 104335), (6504, 101640), (6720, 98373), (6776, 97560), (6930, 95392), (7260, 91056), (7392, 89430), (7588, 87120), (7623, 86720), (7744, 85365), (7920, 83468), (8130, 81312), (8470, 78048), (8672, 76230), (8712, 75880), (8943, 73920), (9240, 71544), (9485, 69696), (9680, 68292), (9756, 67760), (10080, 65582), (10164, 65040), (10560, 62601), (10840, 60984), (10890, 60704), (11088, 59620), (11382, 58080), (11616, 56910), (11924, 55440), (12195, 54208), (12320, 53658), (12705, 52032), (13008, 50820), (13552, 48780), (13860, 47696), (14520, 45528), (14784, 44715), (14905, 44352), (15176, 43560), (15246, 43360), (15840, 41734), (16260, 40656), (16940, 39024), (17073, 38720), (17344, 38115), (17424, 37940), (17886, 36960), (18480, 35772), (18970, 34848), (19360, 34146), (19512, 33880), (20160, 32791), (20328, 32520), (20867, 31680), (21680, 30492), (21780, 30352), (22176, 29810), (22764, 29040), (23232, 28455), (23848, 27720), (24390, 27104), (24640, 26829), (25410, 26016)]