638910720

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 576

約数和(自身を含む): 2747136000

約数和(自身を除く): 2108225280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 139, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 252, 256, 266, 270, 278, 280, 285, 288, 304, 315, 320, 336, 342, 360, 378, 380, 384, 399, 417, 420, 432, 448, 456, 480, 504, 513, 532, 540, 556, 560, 570, 576, 608, 630, 640, 665, 672, 684, 695, 720, 756, 760, 768, 798, 834, 840, 855, 864, 896, 912, 945, 960, 973, 1008, 1026, 1064, 1080, 1112, 1120, 1140, 1152, 1197, 1216, 1251, 1260, 1280, 1330, 1344, 1368, 1390, 1440, 1512, 1520, 1596, 1668, 1680, 1710, 1728, 1792, 1824, 1890, 1920, 1946, 1995, 2016, 2052, 2085, 2128, 2160, 2224, 2240, 2280, 2304, 2394, 2432, 2502, 2520, 2565, 2641, 2660, 2688, 2736, 2780, 2880, 2919, 3024, 3040, 3192, 3336, 3360, 3420, 3456, 3591, 3648, 3753, 3780, 3840, 3892, 3990, 4032, 4104, 4170, 4256, 4320, 4448, 4480, 4560, 4788, 4864, 4865, 5004, 5040, 5130, 5282, 5320, 5376, 5472, 5560, 5760, 5838, 5985, 6048, 6080, 6255, 6384, 6672, 6720, 6840, 6912, 7182, 7296, 7506, 7560, 7784, 7923, 7980, 8064, 8208, 8340, 8512, 8640, 8757, 8896, 8960, 9120, 9576, 9730, 10008, 10080, 10260, 10564, 10640, 10944, 11120, 11520, 11676, 11970, 12096, 12160, 12510, 12768, 13205, 13344, 13440, 13680, 14364, 14592, 14595, 15012, 15120, 15568, 15846, 15960, 16128, 16416, 16680, 17024, 17280, 17514, 17792, 17955, 18240, 18487, 18765, 19152, 19460, 20016, 20160, 20520, 21128, 21280, 21888, 22240, 23352, 23769, 23940, 24192, 24320, 25020, 25536, 26271, 26410, 26688, 26880, 27360, 28728, 29190, 30024, 30240, 31136, 31692, 31920, 32832, 33360, 34048, 34560, 35028, 35584, 35910, 36480, 36974, 37530, 38304, 38920, 39615, 40032, 40320, 41040, 42256, 42560, 43776, 43785, 44480, 46704, 47538, 47880, 48384, 50040, 51072, 52542, 52820, 53376, 54720, 55461, 57456, 58380, 60048, 60480, 62272, 63384, 63840, 65664, 66720, 70056, 71307, 71820, 72960, 73948, 75060, 76608, 77840, 79230, 80064, 80640, 82080, 84512, 85120, 87570, 88960, 92435, 93408, 95076, 95760, 100080, 102144, 105084, 105640, 106752, 109440, 110922, 114912, 116760, 118845, 120096, 120960, 124544, 126768, 127680, 131328, 131355, 133440, 140112, 142614, 143640, 147896, 150120, 153216, 155680, 158460, 160128, 164160, 166383, 169024, 170240, 175140, 177920, 184870, 186816, 190152, 191520, 200160, 210168, 211280, 218880, 221844, 229824, 233520, 237690, 240192, 241920, 249088, 253536, 255360, 262710, 266880, 277305, 280224, 285228, 287280, 295792, 300240, 306432, 311360, 316920, 320256, 328320, 332766, 338048, 350280, 356535, 369740, 373632, 380304, 383040, 400320, 420336, 422560, 443688, 459648, 467040, 475380, 480384, 499149, 507072, 510720, 525420, 533760, 554610, 560448, 570456, 574560, 591584, 600480, 622720, 633840, 656640, 665532, 676096, 700560, 713070, 739480, 747264, 760608, 766080, 800640, 831915, 840672, 845120, 887376, 919296, 934080, 950760, 960768, 998298, 1014144, 1050840, 1109220, 1120896, 1140912, 1149120, 1183168, 1200960, 1245440, 1267680, 1331064, 1401120, 1426140, 1478960, 1521216, 1532160, 1601280, 1663830, 1681344, 1690240, 1774752, 1868160, 1901520, 1996596, 2028288, 2101680, 2218440, 2241792, 2281824, 2298240, 2366336, 2401920, 2495745, 2535360, 2662128, 2802240, 2852280, 2957920, 3042432, 3327660, 3362688, 3380480, 3549504, 3736320, 3803040, 3993192, 4203360, 4436880, 4563648, 4596480, 4732672, 4803840, 4991490, 5070720, 5324256, 5604480, 5704560, 5915840, 6084864, 6655320, 6725376, 7099008, 7606080, 7986384, 8406720, 8873760, 9127296, 9982980, 10141440, 10648512, 11208960, 11409120, 11831680, 13310640, 14198016, 15212160, 15972768, 16813440, 17747520, 18254592, 19965960, 21297024, 22818240, 23663360, 26621280, 30424320, 31945536, 33626880, 35495040, 39931920, 42594048, 45636480, 53242560, 63891072, 70990080, 79863840, 91272960, 106485120, 127782144, 159727680, 212970240, 319455360, 638910720]

約数ペア:

[(1, 638910720), (2, 319455360), (3, 212970240), (4, 159727680), (5, 127782144), (6, 106485120), (7, 91272960), (8, 79863840), (9, 70990080), (10, 63891072), (12, 53242560), (14, 45636480), (15, 42594048), (16, 39931920), (18, 35495040), (19, 33626880), (20, 31945536), (21, 30424320), (24, 26621280), (27, 23663360), (28, 22818240), (30, 21297024), (32, 19965960), (35, 18254592), (36, 17747520), (38, 16813440), (40, 15972768), (42, 15212160), (45, 14198016), (48, 13310640), (54, 11831680), (56, 11409120), (57, 11208960), (60, 10648512), (63, 10141440), (64, 9982980), (70, 9127296), (72, 8873760), (76, 8406720), (80, 7986384), (84, 7606080), (90, 7099008), (95, 6725376), (96, 6655320), (105, 6084864), (108, 5915840), (112, 5704560), (114, 5604480), (120, 5324256), (126, 5070720), (128, 4991490), (133, 4803840), (135, 4732672), (139, 4596480), (140, 4563648), (144, 4436880), (152, 4203360), (160, 3993192), (168, 3803040), (171, 3736320), (180, 3549504), (189, 3380480), (190, 3362688), (192, 3327660), (210, 3042432), (216, 2957920), (224, 2852280), (228, 2802240), (240, 2662128), (252, 2535360), (256, 2495745), (266, 2401920), (270, 2366336), (278, 2298240), (280, 2281824), (285, 2241792), (288, 2218440), (304, 2101680), (315, 2028288), (320, 1996596), (336, 1901520), (342, 1868160), (360, 1774752), (378, 1690240), (380, 1681344), (384, 1663830), (399, 1601280), (417, 1532160), (420, 1521216), (432, 1478960), (448, 1426140), (456, 1401120), (480, 1331064), (504, 1267680), (513, 1245440), (532, 1200960), (540, 1183168), (556, 1149120), (560, 1140912), (570, 1120896), (576, 1109220), (608, 1050840), (630, 1014144), (640, 998298), (665, 960768), (672, 950760), (684, 934080), (695, 919296), (720, 887376), (756, 845120), (760, 840672), (768, 831915), (798, 800640), (834, 766080), (840, 760608), (855, 747264), (864, 739480), (896, 713070), (912, 700560), (945, 676096), (960, 665532), (973, 656640), (1008, 633840), (1026, 622720), (1064, 600480), (1080, 591584), (1112, 574560), (1120, 570456), (1140, 560448), (1152, 554610), (1197, 533760), (1216, 525420), (1251, 510720), (1260, 507072), (1280, 499149), (1330, 480384), (1344, 475380), (1368, 467040), (1390, 459648), (1440, 443688), (1512, 422560), (1520, 420336), (1596, 400320), (1668, 383040), (1680, 380304), (1710, 373632), (1728, 369740), (1792, 356535), (1824, 350280), (1890, 338048), (1920, 332766), (1946, 328320), (1995, 320256), (2016, 316920), (2052, 311360), (2085, 306432), (2128, 300240), (2160, 295792), (2224, 287280), (2240, 285228), (2280, 280224), (2304, 277305), (2394, 266880), (2432, 262710), (2502, 255360), (2520, 253536), (2565, 249088), (2641, 241920), (2660, 240192), (2688, 237690), (2736, 233520), (2780, 229824), (2880, 221844), (2919, 218880), (3024, 211280), (3040, 210168), (3192, 200160), (3336, 191520), (3360, 190152), (3420, 186816), (3456, 184870), (3591, 177920), (3648, 175140), (3753, 170240), (3780, 169024), (3840, 166383), (3892, 164160), (3990, 160128), (4032, 158460), (4104, 155680), (4170, 153216), (4256, 150120), (4320, 147896), (4448, 143640), (4480, 142614), (4560, 140112), (4788, 133440), (4864, 131355), (4865, 131328), (5004, 127680), (5040, 126768), (5130, 124544), (5282, 120960), (5320, 120096), (5376, 118845), (5472, 116760), (5560, 114912), (5760, 110922), (5838, 109440), (5985, 106752), (6048, 105640), (6080, 105084), (6255, 102144), (6384, 100080), (6672, 95760), (6720, 95076), (6840, 93408), (6912, 92435), (7182, 88960), (7296, 87570), (7506, 85120), (7560, 84512), (7784, 82080), (7923, 80640), (7980, 80064), (8064, 79230), (8208, 77840), (8340, 76608), (8512, 75060), (8640, 73948), (8757, 72960), (8896, 71820), (8960, 71307), (9120, 70056), (9576, 66720), (9730, 65664), (10008, 63840), (10080, 63384), (10260, 62272), (10564, 60480), (10640, 60048), (10944, 58380), (11120, 57456), (11520, 55461), (11676, 54720), (11970, 53376), (12096, 52820), (12160, 52542), (12510, 51072), (12768, 50040), (13205, 48384), (13344, 47880), (13440, 47538), (13680, 46704), (14364, 44480), (14592, 43785), (14595, 43776), (15012, 42560), (15120, 42256), (15568, 41040), (15846, 40320), (15960, 40032), (16128, 39615), (16416, 38920), (16680, 38304), (17024, 37530), (17280, 36974), (17514, 36480), (17792, 35910), (17955, 35584), (18240, 35028), (18487, 34560), (18765, 34048), (19152, 33360), (19460, 32832), (20016, 31920), (20160, 31692), (20520, 31136), (21128, 30240), (21280, 30024), (21888, 29190), (22240, 28728), (23352, 27360), (23769, 26880), (23940, 26688), (24192, 26410), (24320, 26271), (25020, 25536)]