990971520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6703}}^1$

素因数の和:6743

約数の個数: 256

約数和(自身を含む): 3938734080

約数和(自身を除く): 2947762560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3360, 3520, 3696, 4224, 4480, 4620, 4928, 5280, 6160, 6703, 6720, 7040, 7392, 9240, 9856, 10560, 12320, 13406, 13440, 14784, 18480, 20109, 21120, 24640, 26812, 29568, 33515, 36960, 40218, 46921, 49280, 53624, 67030, 73733, 73920, 80436, 93842, 100545, 107248, 134060, 140763, 147466, 147840, 160872, 187684, 201090, 214496, 221199, 234605, 268120, 281526, 294932, 321744, 368665, 375368, 402180, 428992, 442398, 469210, 516131, 536240, 563052, 589864, 643488, 703815, 737330, 750736, 804360, 857984, 884796, 938420, 1032262, 1072480, 1105995, 1126104, 1179728, 1286976, 1407630, 1474660, 1501472, 1548393, 1608720, 1769592, 1876840, 2064524, 2144960, 2211990, 2252208, 2359456, 2573952, 2580655, 2815260, 2949320, 3002944, 3096786, 3217440, 3539184, 3753680, 4129048, 4289920, 4423980, 4504416, 4718912, 5161310, 5630520, 5898640, 6005888, 6193572, 6434880, 7078368, 7507360, 7741965, 8258096, 8847960, 9008832, 9437824, 10322620, 11261040, 11797280, 12387144, 12869760, 14156736, 15014720, 15483930, 16516192, 17695920, 18017664, 20645240, 22522080, 23594560, 24774288, 28313472, 30029440, 30967860, 33032384, 35391840, 41290480, 45044160, 47189120, 49548576, 61935720, 66064768, 70783680, 82580960, 90088320, 99097152, 123871440, 141567360, 165161920, 198194304, 247742880, 330323840, 495485760, 990971520]

約数ペア:

[(1, 990971520), (2, 495485760), (3, 330323840), (4, 247742880), (5, 198194304), (6, 165161920), (7, 141567360), (8, 123871440), (10, 99097152), (11, 90088320), (12, 82580960), (14, 70783680), (15, 66064768), (16, 61935720), (20, 49548576), (21, 47189120), (22, 45044160), (24, 41290480), (28, 35391840), (30, 33032384), (32, 30967860), (33, 30029440), (35, 28313472), (40, 24774288), (42, 23594560), (44, 22522080), (48, 20645240), (55, 18017664), (56, 17695920), (60, 16516192), (64, 15483930), (66, 15014720), (70, 14156736), (77, 12869760), (80, 12387144), (84, 11797280), (88, 11261040), (96, 10322620), (105, 9437824), (110, 9008832), (112, 8847960), (120, 8258096), (128, 7741965), (132, 7507360), (140, 7078368), (154, 6434880), (160, 6193572), (165, 6005888), (168, 5898640), (176, 5630520), (192, 5161310), (210, 4718912), (220, 4504416), (224, 4423980), (231, 4289920), (240, 4129048), (264, 3753680), (280, 3539184), (308, 3217440), (320, 3096786), (330, 3002944), (336, 2949320), (352, 2815260), (384, 2580655), (385, 2573952), (420, 2359456), (440, 2252208), (448, 2211990), (462, 2144960), (480, 2064524), (528, 1876840), (560, 1769592), (616, 1608720), (640, 1548393), (660, 1501472), (672, 1474660), (704, 1407630), (770, 1286976), (840, 1179728), (880, 1126104), (896, 1105995), (924, 1072480), (960, 1032262), (1056, 938420), (1120, 884796), (1155, 857984), (1232, 804360), (1320, 750736), (1344, 737330), (1408, 703815), (1540, 643488), (1680, 589864), (1760, 563052), (1848, 536240), (1920, 516131), (2112, 469210), (2240, 442398), (2310, 428992), (2464, 402180), (2640, 375368), (2688, 368665), (3080, 321744), (3360, 294932), (3520, 281526), (3696, 268120), (4224, 234605), (4480, 221199), (4620, 214496), (4928, 201090), (5280, 187684), (6160, 160872), (6703, 147840), (6720, 147466), (7040, 140763), (7392, 134060), (9240, 107248), (9856, 100545), (10560, 93842), (12320, 80436), (13406, 73920), (13440, 73733), (14784, 67030), (18480, 53624), (20109, 49280), (21120, 46921), (24640, 40218), (26812, 36960), (29568, 33515)]