20904065280

素因数分解:

$2^8\times 3^5\times 5^1\times 7^1\times {\mathrm{9601}}^1$

素因数の和:9644

約数の個数: 432

約数和(自身を含む): 85728499584

約数和(自身を除く): 64824434304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 972, 1008, 1080, 1120, 1134, 1152, 1215, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1701, 1728, 1792, 1890, 1920, 1944, 2016, 2160, 2240, 2268, 2304, 2430, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3402, 3456, 3780, 3840, 3888, 4032, 4320, 4480, 4536, 4860, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6804, 6912, 7560, 7776, 8064, 8505, 8640, 8960, 9072, 9601, 9720, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 13608, 15120, 15552, 16128, 17010, 17280, 18144, 19202, 19440, 20160, 20736, 22680, 24192, 25920, 26880, 27216, 28803, 30240, 31104, 34020, 34560, 36288, 38404, 38880, 40320, 45360, 48005, 48384, 51840, 54432, 57606, 60480, 62208, 67207, 68040, 72576, 76808, 77760, 80640, 86409, 90720, 96010, 103680, 108864, 115212, 120960, 134414, 136080, 144015, 145152, 153616, 155520, 172818, 181440, 192020, 201621, 217728, 230424, 241920, 259227, 268828, 272160, 288030, 307232, 311040, 336035, 345636, 362880, 384040, 403242, 432045, 435456, 460848, 518454, 537656, 544320, 576060, 604863, 614464, 672070, 691272, 725760, 768080, 777681, 806484, 864090, 921696, 1008105, 1036908, 1075312, 1088640, 1152120, 1209726, 1228928, 1296135, 1344140, 1382544, 1536160, 1555362, 1612968, 1728180, 1814589, 1843392, 2016210, 2073816, 2150624, 2177280, 2304240, 2333043, 2419452, 2457856, 2592270, 2688280, 2765088, 3024315, 3072320, 3110724, 3225936, 3456360, 3629178, 3686784, 3888405, 4032420, 4147632, 4301248, 4608480, 4666086, 4838904, 5184540, 5376560, 5443767, 5530176, 6048630, 6144640, 6221448, 6451872, 6912720, 7258356, 7373568, 7776810, 8064840, 8295264, 8602496, 9072945, 9216960, 9332172, 9677808, 10369080, 10753120, 10887534, 11060352, 11665215, 12097260, 12289280, 12442896, 12903744, 13825440, 14516712, 15553620, 16129680, 16331301, 16590528, 17204992, 18145890, 18433920, 18664344, 19355616, 20738160, 21506240, 21775068, 22120704, 23330430, 24194520, 24885792, 25807488, 27218835, 27650880, 29033424, 31107240, 32259360, 32662602, 33181056, 36291780, 36867840, 37328688, 38711232, 41476320, 43012480, 43550136, 46660860, 48389040, 49771584, 51614976, 54437670, 55301760, 58066848, 62214480, 64518720, 65325204, 66362112, 72583560, 74657376, 77422464, 81656505, 82952640, 86024960, 87100272, 93321720, 96778080, 99543168, 108875340, 110603520, 116133696, 124428960, 129037440, 130650408, 145167120, 149314752, 154844928, 163313010, 165905280, 174200544, 186643440, 193556160, 199086336, 217750680, 232267392, 248857920, 258074880, 261300816, 290334240, 298629504, 326626020, 331810560, 348401088, 373286880, 387112320, 435501360, 464534784, 497715840, 522601632, 580668480, 597259008, 653252040, 696802176, 746573760, 774224640, 871002720, 995431680, 1045203264, 1161336960, 1306504080, 1393604352, 1493147520, 1742005440, 2090406528, 2322673920, 2613008160, 2986295040, 3484010880, 4180813056, 5226016320, 6968021760, 10452032640, 20904065280]

約数ペア:

[(1, 20904065280), (2, 10452032640), (3, 6968021760), (4, 5226016320), (5, 4180813056), (6, 3484010880), (7, 2986295040), (8, 2613008160), (9, 2322673920), (10, 2090406528), (12, 1742005440), (14, 1493147520), (15, 1393604352), (16, 1306504080), (18, 1161336960), (20, 1045203264), (21, 995431680), (24, 871002720), (27, 774224640), (28, 746573760), (30, 696802176), (32, 653252040), (35, 597259008), (36, 580668480), (40, 522601632), (42, 497715840), (45, 464534784), (48, 435501360), (54, 387112320), (56, 373286880), (60, 348401088), (63, 331810560), (64, 326626020), (70, 298629504), (72, 290334240), (80, 261300816), (81, 258074880), (84, 248857920), (90, 232267392), (96, 217750680), (105, 199086336), (108, 193556160), (112, 186643440), (120, 174200544), (126, 165905280), (128, 163313010), (135, 154844928), (140, 149314752), (144, 145167120), (160, 130650408), (162, 129037440), (168, 124428960), (180, 116133696), (189, 110603520), (192, 108875340), (210, 99543168), (216, 96778080), (224, 93321720), (240, 87100272), (243, 86024960), (252, 82952640), (256, 81656505), (270, 77422464), (280, 74657376), (288, 72583560), (315, 66362112), (320, 65325204), (324, 64518720), (336, 62214480), (360, 58066848), (378, 55301760), (384, 54437670), (405, 51614976), (420, 49771584), (432, 48389040), (448, 46660860), (480, 43550136), (486, 43012480), (504, 41476320), (540, 38711232), (560, 37328688), (567, 36867840), (576, 36291780), (630, 33181056), (640, 32662602), (648, 32259360), (672, 31107240), (720, 29033424), (756, 27650880), (768, 27218835), (810, 25807488), (840, 24885792), (864, 24194520), (896, 23330430), (945, 22120704), (960, 21775068), (972, 21506240), (1008, 20738160), (1080, 19355616), (1120, 18664344), (1134, 18433920), (1152, 18145890), (1215, 17204992), (1260, 16590528), (1280, 16331301), (1296, 16129680), (1344, 15553620), (1440, 14516712), (1512, 13825440), (1620, 12903744), (1680, 12442896), (1701, 12289280), (1728, 12097260), (1792, 11665215), (1890, 11060352), (1920, 10887534), (1944, 10753120), (2016, 10369080), (2160, 9677808), (2240, 9332172), (2268, 9216960), (2304, 9072945), (2430, 8602496), (2520, 8295264), (2592, 8064840), (2688, 7776810), (2835, 7373568), (2880, 7258356), (3024, 6912720), (3240, 6451872), (3360, 6221448), (3402, 6144640), (3456, 6048630), (3780, 5530176), (3840, 5443767), (3888, 5376560), (4032, 5184540), (4320, 4838904), (4480, 4666086), (4536, 4608480), (4860, 4301248), (5040, 4147632), (5184, 4032420), (5376, 3888405), (5670, 3686784), (5760, 3629178), (6048, 3456360), (6480, 3225936), (6720, 3110724), (6804, 3072320), (6912, 3024315), (7560, 2765088), (7776, 2688280), (8064, 2592270), (8505, 2457856), (8640, 2419452), (8960, 2333043), (9072, 2304240), (9601, 2177280), (9720, 2150624), (10080, 2073816), (10368, 2016210), (11340, 1843392), (11520, 1814589), (12096, 1728180), (12960, 1612968), (13440, 1555362), (13608, 1536160), (15120, 1382544), (15552, 1344140), (16128, 1296135), (17010, 1228928), (17280, 1209726), (18144, 1152120), (19202, 1088640), (19440, 1075312), (20160, 1036908), (20736, 1008105), (22680, 921696), (24192, 864090), (25920, 806484), (26880, 777681), (27216, 768080), (28803, 725760), (30240, 691272), (31104, 672070), (34020, 614464), (34560, 604863), (36288, 576060), (38404, 544320), (38880, 537656), (40320, 518454), (45360, 460848), (48005, 435456), (48384, 432045), (51840, 403242), (54432, 384040), (57606, 362880), (60480, 345636), (62208, 336035), (67207, 311040), (68040, 307232), (72576, 288030), (76808, 272160), (77760, 268828), (80640, 259227), (86409, 241920), (90720, 230424), (96010, 217728), (103680, 201621), (108864, 192020), (115212, 181440), (120960, 172818), (134414, 155520), (136080, 153616), (144015, 145152)]