20006507520

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2595

約数の個数: 440

約数和(自身を含む): 75494997600

約数和(自身を除く): 55488490080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 512, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 1024, 1026, 1080, 1140, 1152, 1216, 1280, 1296, 1368, 1440, 1520, 1536, 1539, 1620, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2304, 2432, 2539, 2560, 2565, 2592, 2736, 2880, 3040, 3072, 3078, 3240, 3420, 3456, 3648, 3840, 4104, 4320, 4560, 4608, 4864, 5078, 5120, 5130, 5184, 5472, 5760, 6080, 6156, 6480, 6840, 6912, 7296, 7617, 7680, 7695, 8208, 8640, 9120, 9216, 9728, 10156, 10260, 10368, 10944, 11520, 12160, 12312, 12695, 12960, 13680, 13824, 14592, 15234, 15360, 15390, 16416, 17280, 18240, 19456, 20312, 20520, 20736, 21888, 22851, 23040, 24320, 24624, 25390, 25920, 27360, 27648, 29184, 30468, 30780, 32832, 34560, 36480, 38085, 40624, 41040, 41472, 43776, 45702, 46080, 48241, 48640, 49248, 50780, 51840, 54720, 58368, 60936, 61560, 65664, 68553, 69120, 72960, 76170, 81248, 82080, 82944, 87552, 91404, 96482, 97280, 98496, 101560, 103680, 109440, 114255, 121872, 123120, 131328, 137106, 138240, 144723, 145920, 152340, 162496, 164160, 175104, 182808, 192964, 196992, 203120, 205659, 207360, 218880, 228510, 241205, 243744, 246240, 262656, 274212, 289446, 291840, 304680, 324992, 328320, 342765, 365616, 385928, 393984, 406240, 411318, 414720, 434169, 437760, 457020, 482410, 487488, 492480, 525312, 548424, 578892, 609360, 649984, 656640, 685530, 723615, 731232, 771856, 787968, 812480, 822636, 868338, 875520, 914040, 964820, 974976, 984960, 1028295, 1096848, 1157784, 1218720, 1299968, 1302507, 1313280, 1371060, 1447230, 1462464, 1543712, 1575936, 1624960, 1645272, 1736676, 1828080, 1929640, 1949952, 1969920, 2056590, 2170845, 2193696, 2315568, 2437440, 2599936, 2605014, 2626560, 2742120, 2894460, 2924928, 3087424, 3249920, 3290544, 3473352, 3656160, 3859280, 3899904, 3907521, 3939840, 4113180, 4341690, 4387392, 4631136, 4874880, 5210028, 5484240, 5788920, 5849856, 6174848, 6499840, 6512535, 6581088, 6946704, 7312320, 7718560, 7799808, 7815042, 7879680, 8226360, 8683380, 8774784, 9262272, 9749760, 10420056, 10968480, 11577840, 11699712, 12349696, 12999680, 13025070, 13162176, 13893408, 14624640, 15437120, 15630084, 16452720, 17366760, 17549568, 18524544, 19499520, 19537605, 20840112, 21936960, 23155680, 23399424, 24699392, 26050140, 26324352, 27786816, 29249280, 30874240, 31260168, 32905440, 34733520, 35099136, 37049088, 38999040, 39075210, 41680224, 43873920, 46311360, 49398784, 52100280, 52648704, 55573632, 58498560, 61748480, 62520336, 65810880, 69467040, 70198272, 74098176, 78150420, 83360448, 87747840, 92622720, 104200560, 105297408, 111147264, 116997120, 123496960, 125040672, 131621760, 138934080, 148196352, 156300840, 166720896, 175495680, 185245440, 208401120, 210594816, 222294528, 246993920, 250081344, 263243520, 277868160, 312601680, 333441792, 350991360, 370490880, 416802240, 444589056, 500162688, 526487040, 555736320, 625203360, 666883584, 740981760, 833604480, 1000325376, 1052974080, 1111472640, 1250406720, 1333767168, 1667208960, 2000650752, 2222945280, 2500813440, 3334417920, 4001301504, 5001626880, 6668835840, 10003253760, 20006507520]

約数ペア:

[(1, 20006507520), (2, 10003253760), (3, 6668835840), (4, 5001626880), (5, 4001301504), (6, 3334417920), (8, 2500813440), (9, 2222945280), (10, 2000650752), (12, 1667208960), (15, 1333767168), (16, 1250406720), (18, 1111472640), (19, 1052974080), (20, 1000325376), (24, 833604480), (27, 740981760), (30, 666883584), (32, 625203360), (36, 555736320), (38, 526487040), (40, 500162688), (45, 444589056), (48, 416802240), (54, 370490880), (57, 350991360), (60, 333441792), (64, 312601680), (72, 277868160), (76, 263243520), (80, 250081344), (81, 246993920), (90, 222294528), (95, 210594816), (96, 208401120), (108, 185245440), (114, 175495680), (120, 166720896), (128, 156300840), (135, 148196352), (144, 138934080), (152, 131621760), (160, 125040672), (162, 123496960), (171, 116997120), (180, 111147264), (190, 105297408), (192, 104200560), (216, 92622720), (228, 87747840), (240, 83360448), (256, 78150420), (270, 74098176), (285, 70198272), (288, 69467040), (304, 65810880), (320, 62520336), (324, 61748480), (342, 58498560), (360, 55573632), (380, 52648704), (384, 52100280), (405, 49398784), (432, 46311360), (456, 43873920), (480, 41680224), (512, 39075210), (513, 38999040), (540, 37049088), (570, 35099136), (576, 34733520), (608, 32905440), (640, 31260168), (648, 30874240), (684, 29249280), (720, 27786816), (760, 26324352), (768, 26050140), (810, 24699392), (855, 23399424), (864, 23155680), (912, 21936960), (960, 20840112), (1024, 19537605), (1026, 19499520), (1080, 18524544), (1140, 17549568), (1152, 17366760), (1216, 16452720), (1280, 15630084), (1296, 15437120), (1368, 14624640), (1440, 13893408), (1520, 13162176), (1536, 13025070), (1539, 12999680), (1620, 12349696), (1710, 11699712), (1728, 11577840), (1824, 10968480), (1920, 10420056), (2052, 9749760), (2160, 9262272), (2280, 8774784), (2304, 8683380), (2432, 8226360), (2539, 7879680), (2560, 7815042), (2565, 7799808), (2592, 7718560), (2736, 7312320), (2880, 6946704), (3040, 6581088), (3072, 6512535), (3078, 6499840), (3240, 6174848), (3420, 5849856), (3456, 5788920), (3648, 5484240), (3840, 5210028), (4104, 4874880), (4320, 4631136), (4560, 4387392), (4608, 4341690), (4864, 4113180), (5078, 3939840), (5120, 3907521), (5130, 3899904), (5184, 3859280), (5472, 3656160), (5760, 3473352), (6080, 3290544), (6156, 3249920), (6480, 3087424), (6840, 2924928), (6912, 2894460), (7296, 2742120), (7617, 2626560), (7680, 2605014), (7695, 2599936), (8208, 2437440), (8640, 2315568), (9120, 2193696), (9216, 2170845), (9728, 2056590), (10156, 1969920), (10260, 1949952), (10368, 1929640), (10944, 1828080), (11520, 1736676), (12160, 1645272), (12312, 1624960), (12695, 1575936), (12960, 1543712), (13680, 1462464), (13824, 1447230), (14592, 1371060), (15234, 1313280), (15360, 1302507), (15390, 1299968), (16416, 1218720), (17280, 1157784), (18240, 1096848), (19456, 1028295), (20312, 984960), (20520, 974976), (20736, 964820), (21888, 914040), (22851, 875520), (23040, 868338), (24320, 822636), (24624, 812480), (25390, 787968), (25920, 771856), (27360, 731232), (27648, 723615), (29184, 685530), (30468, 656640), (30780, 649984), (32832, 609360), (34560, 578892), (36480, 548424), (38085, 525312), (40624, 492480), (41040, 487488), (41472, 482410), (43776, 457020), (45702, 437760), (46080, 434169), (48241, 414720), (48640, 411318), (49248, 406240), (50780, 393984), (51840, 385928), (54720, 365616), (58368, 342765), (60936, 328320), (61560, 324992), (65664, 304680), (68553, 291840), (69120, 289446), (72960, 274212), (76170, 262656), (81248, 246240), (82080, 243744), (82944, 241205), (87552, 228510), (91404, 218880), (96482, 207360), (97280, 205659), (98496, 203120), (101560, 196992), (103680, 192964), (109440, 182808), (114255, 175104), (121872, 164160), (123120, 162496), (131328, 152340), (137106, 145920), (138240, 144723)]