661978240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 384

約数和(自身を含む): 2134900800

約数和(自身を除く): 1472922560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 49, 55, 56, 64, 70, 76, 77, 80, 88, 95, 98, 101, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 196, 202, 209, 220, 224, 245, 266, 280, 304, 308, 320, 352, 380, 385, 392, 404, 418, 440, 448, 490, 505, 532, 539, 560, 608, 616, 640, 665, 704, 707, 760, 770, 784, 808, 836, 880, 896, 931, 980, 1010, 1045, 1064, 1078, 1111, 1120, 1216, 1232, 1330, 1408, 1414, 1463, 1520, 1540, 1568, 1616, 1672, 1760, 1862, 1919, 1960, 2020, 2090, 2128, 2156, 2222, 2240, 2432, 2464, 2660, 2695, 2828, 2926, 3040, 3080, 3136, 3232, 3344, 3520, 3535, 3724, 3838, 3920, 4040, 4180, 4256, 4312, 4444, 4480, 4655, 4928, 4949, 5320, 5390, 5555, 5656, 5852, 6080, 6160, 6272, 6464, 6688, 7040, 7070, 7315, 7448, 7676, 7777, 7840, 8080, 8360, 8512, 8624, 8888, 9310, 9595, 9856, 9898, 10241, 10640, 10780, 11110, 11312, 11704, 12160, 12320, 12928, 13376, 13433, 14140, 14630, 14896, 15352, 15554, 15680, 16160, 16720, 17024, 17248, 17776, 18620, 19190, 19796, 20482, 21109, 21280, 21560, 22220, 22624, 23408, 24640, 24745, 26752, 26866, 28280, 29260, 29792, 30704, 31108, 31360, 32320, 33440, 34496, 35552, 37240, 38380, 38885, 39592, 40964, 42218, 42560, 43120, 44440, 45248, 46816, 49280, 49490, 51205, 53732, 54439, 56560, 58520, 59584, 61408, 62216, 64640, 66880, 67165, 68992, 71104, 74480, 76760, 77770, 79184, 81928, 84436, 85120, 86240, 88880, 90496, 93632, 94031, 98980, 102410, 105545, 107464, 108878, 113120, 117040, 119168, 122816, 124432, 133760, 134330, 142208, 147763, 148960, 153520, 155540, 158368, 163856, 168872, 172480, 177760, 187264, 188062, 197960, 204820, 211090, 214928, 217756, 226240, 234080, 245632, 248864, 268660, 272195, 295526, 297920, 307040, 311080, 316736, 327712, 337744, 344960, 355520, 376124, 395920, 409640, 422180, 429856, 435512, 452480, 468160, 470155, 497728, 537320, 544390, 591052, 595840, 614080, 622160, 633472, 655424, 675488, 711040, 738815, 752248, 791840, 819280, 844360, 859712, 871024, 936320, 940310, 995456, 1034341, 1074640, 1088780, 1182104, 1228160, 1244320, 1310848, 1350976, 1477630, 1504496, 1583680, 1638560, 1688720, 1719424, 1742048, 1880620, 2068682, 2149280, 2177560, 2364208, 2488640, 2701952, 2955260, 3008992, 3167360, 3277120, 3377440, 3484096, 3761240, 4137364, 4298560, 4355120, 4728416, 4977280, 5171705, 5910520, 6017984, 6554240, 6754880, 6968192, 7522480, 8274728, 8597120, 8710240, 9456832, 10343410, 11821040, 12035968, 13509760, 15044960, 16549456, 17420480, 18913664, 20686820, 23642080, 30089920, 33098912, 34840960, 41373640, 47284160, 60179840, 66197824, 82747280, 94568320, 132395648, 165494560, 330989120, 661978240]

約数ペア:

[(1, 661978240), (2, 330989120), (4, 165494560), (5, 132395648), (7, 94568320), (8, 82747280), (10, 66197824), (11, 60179840), (14, 47284160), (16, 41373640), (19, 34840960), (20, 33098912), (22, 30089920), (28, 23642080), (32, 20686820), (35, 18913664), (38, 17420480), (40, 16549456), (44, 15044960), (49, 13509760), (55, 12035968), (56, 11821040), (64, 10343410), (70, 9456832), (76, 8710240), (77, 8597120), (80, 8274728), (88, 7522480), (95, 6968192), (98, 6754880), (101, 6554240), (110, 6017984), (112, 5910520), (128, 5171705), (133, 4977280), (140, 4728416), (152, 4355120), (154, 4298560), (160, 4137364), (176, 3761240), (190, 3484096), (196, 3377440), (202, 3277120), (209, 3167360), (220, 3008992), (224, 2955260), (245, 2701952), (266, 2488640), (280, 2364208), (304, 2177560), (308, 2149280), (320, 2068682), (352, 1880620), (380, 1742048), (385, 1719424), (392, 1688720), (404, 1638560), (418, 1583680), (440, 1504496), (448, 1477630), (490, 1350976), (505, 1310848), (532, 1244320), (539, 1228160), (560, 1182104), (608, 1088780), (616, 1074640), (640, 1034341), (665, 995456), (704, 940310), (707, 936320), (760, 871024), (770, 859712), (784, 844360), (808, 819280), (836, 791840), (880, 752248), (896, 738815), (931, 711040), (980, 675488), (1010, 655424), (1045, 633472), (1064, 622160), (1078, 614080), (1111, 595840), (1120, 591052), (1216, 544390), (1232, 537320), (1330, 497728), (1408, 470155), (1414, 468160), (1463, 452480), (1520, 435512), (1540, 429856), (1568, 422180), (1616, 409640), (1672, 395920), (1760, 376124), (1862, 355520), (1919, 344960), (1960, 337744), (2020, 327712), (2090, 316736), (2128, 311080), (2156, 307040), (2222, 297920), (2240, 295526), (2432, 272195), (2464, 268660), (2660, 248864), (2695, 245632), (2828, 234080), (2926, 226240), (3040, 217756), (3080, 214928), (3136, 211090), (3232, 204820), (3344, 197960), (3520, 188062), (3535, 187264), (3724, 177760), (3838, 172480), (3920, 168872), (4040, 163856), (4180, 158368), (4256, 155540), (4312, 153520), (4444, 148960), (4480, 147763), (4655, 142208), (4928, 134330), (4949, 133760), (5320, 124432), (5390, 122816), (5555, 119168), (5656, 117040), (5852, 113120), (6080, 108878), (6160, 107464), (6272, 105545), (6464, 102410), (6688, 98980), (7040, 94031), (7070, 93632), (7315, 90496), (7448, 88880), (7676, 86240), (7777, 85120), (7840, 84436), (8080, 81928), (8360, 79184), (8512, 77770), (8624, 76760), (8888, 74480), (9310, 71104), (9595, 68992), (9856, 67165), (9898, 66880), (10241, 64640), (10640, 62216), (10780, 61408), (11110, 59584), (11312, 58520), (11704, 56560), (12160, 54439), (12320, 53732), (12928, 51205), (13376, 49490), (13433, 49280), (14140, 46816), (14630, 45248), (14896, 44440), (15352, 43120), (15554, 42560), (15680, 42218), (16160, 40964), (16720, 39592), (17024, 38885), (17248, 38380), (17776, 37240), (18620, 35552), (19190, 34496), (19796, 33440), (20482, 32320), (21109, 31360), (21280, 31108), (21560, 30704), (22220, 29792), (22624, 29260), (23408, 28280), (24640, 26866), (24745, 26752)]