261780480

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 528

約数和(自身を含む): 1072955520

約数和(自身を除く): 811175040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 23, 24, 26, 30, 32, 36, 38, 39, 40, 45, 46, 48, 52, 57, 60, 64, 65, 69, 72, 76, 78, 80, 90, 92, 95, 96, 104, 114, 115, 117, 120, 128, 130, 138, 144, 152, 156, 160, 171, 180, 184, 190, 192, 195, 207, 208, 228, 230, 234, 240, 247, 256, 260, 276, 285, 288, 299, 304, 312, 320, 342, 345, 360, 368, 380, 384, 390, 414, 416, 437, 456, 460, 468, 480, 494, 512, 520, 552, 570, 576, 585, 598, 608, 624, 640, 684, 690, 720, 736, 741, 760, 768, 780, 828, 832, 855, 874, 897, 912, 920, 936, 960, 988, 1024, 1035, 1040, 1104, 1140, 1152, 1170, 1196, 1216, 1235, 1248, 1280, 1311, 1368, 1380, 1440, 1472, 1482, 1495, 1520, 1536, 1560, 1656, 1664, 1710, 1748, 1794, 1824, 1840, 1872, 1920, 1976, 2070, 2080, 2185, 2208, 2223, 2280, 2304, 2340, 2392, 2432, 2470, 2496, 2560, 2622, 2691, 2736, 2760, 2880, 2944, 2964, 2990, 3040, 3072, 3120, 3312, 3328, 3420, 3496, 3588, 3648, 3680, 3705, 3744, 3840, 3933, 3952, 4140, 4160, 4370, 4416, 4446, 4485, 4560, 4608, 4680, 4784, 4864, 4940, 4992, 5120, 5244, 5382, 5472, 5520, 5681, 5760, 5888, 5928, 5980, 6080, 6240, 6555, 6624, 6656, 6840, 6992, 7176, 7296, 7360, 7410, 7488, 7680, 7866, 7904, 8280, 8320, 8740, 8832, 8892, 8970, 9120, 9216, 9360, 9568, 9728, 9880, 9984, 10488, 10764, 10944, 11040, 11115, 11362, 11520, 11776, 11856, 11960, 12160, 12480, 13110, 13248, 13312, 13455, 13680, 13984, 14352, 14592, 14720, 14820, 14976, 15360, 15732, 15808, 16560, 16640, 17043, 17480, 17664, 17784, 17940, 18240, 18720, 19136, 19456, 19665, 19760, 19968, 20976, 21528, 21888, 22080, 22230, 22724, 23040, 23552, 23712, 23920, 24320, 24960, 26220, 26496, 26910, 27360, 27968, 28405, 28704, 29184, 29440, 29640, 29952, 31464, 31616, 33120, 33280, 34086, 34960, 35328, 35568, 35880, 36480, 37440, 38272, 39330, 39520, 39936, 41952, 43056, 43776, 44160, 44460, 45448, 46080, 47424, 47840, 48640, 49920, 51129, 52440, 52992, 53820, 54720, 55936, 56810, 57408, 58368, 58880, 59280, 59904, 62928, 63232, 66240, 66560, 68172, 69920, 70656, 71136, 71760, 72960, 74880, 76544, 78660, 79040, 83904, 85215, 86112, 87552, 88320, 88920, 90896, 94848, 95680, 97280, 99840, 102258, 104880, 105984, 107640, 109440, 111872, 113620, 114816, 117760, 118560, 119808, 125856, 126464, 132480, 136344, 139840, 142272, 143520, 145920, 149760, 153088, 157320, 158080, 167808, 170430, 172224, 175104, 176640, 177840, 181792, 189696, 191360, 199680, 204516, 209760, 211968, 215280, 218880, 223744, 227240, 229632, 237120, 251712, 252928, 255645, 264960, 272688, 279680, 284544, 287040, 291840, 299520, 306176, 314640, 316160, 335616, 340860, 344448, 353280, 355680, 363584, 379392, 382720, 409032, 419520, 430560, 437760, 447488, 454480, 459264, 474240, 503424, 511290, 529920, 545376, 559360, 569088, 574080, 599040, 629280, 632320, 671232, 681720, 688896, 711360, 727168, 758784, 765440, 818064, 839040, 861120, 875520, 908960, 918528, 948480, 1006848, 1022580, 1059840, 1090752, 1118720, 1138176, 1148160, 1258560, 1264640, 1342464, 1363440, 1377792, 1422720, 1454336, 1530880, 1636128, 1678080, 1722240, 1817920, 1896960, 2013696, 2045160, 2181504, 2237440, 2276352, 2296320, 2517120, 2726880, 2755584, 2845440, 2908672, 3272256, 3356160, 3444480, 3635840, 3793920, 4027392, 4090320, 4363008, 4592640, 5034240, 5453760, 5690880, 5817344, 6544512, 6712320, 6888960, 7271680, 8180640, 8726016, 10068480, 10907520, 11381760, 13089024, 13777920, 14543360, 16361280, 17452032, 20136960, 21815040, 26178048, 29086720, 32722560, 43630080, 52356096, 65445120, 87260160, 130890240, 261780480]

約数ペア:

[(1, 261780480), (2, 130890240), (3, 87260160), (4, 65445120), (5, 52356096), (6, 43630080), (8, 32722560), (9, 29086720), (10, 26178048), (12, 21815040), (13, 20136960), (15, 17452032), (16, 16361280), (18, 14543360), (19, 13777920), (20, 13089024), (23, 11381760), (24, 10907520), (26, 10068480), (30, 8726016), (32, 8180640), (36, 7271680), (38, 6888960), (39, 6712320), (40, 6544512), (45, 5817344), (46, 5690880), (48, 5453760), (52, 5034240), (57, 4592640), (60, 4363008), (64, 4090320), (65, 4027392), (69, 3793920), (72, 3635840), (76, 3444480), (78, 3356160), (80, 3272256), (90, 2908672), (92, 2845440), (95, 2755584), (96, 2726880), (104, 2517120), (114, 2296320), (115, 2276352), (117, 2237440), (120, 2181504), (128, 2045160), (130, 2013696), (138, 1896960), (144, 1817920), (152, 1722240), (156, 1678080), (160, 1636128), (171, 1530880), (180, 1454336), (184, 1422720), (190, 1377792), (192, 1363440), (195, 1342464), (207, 1264640), (208, 1258560), (228, 1148160), (230, 1138176), (234, 1118720), (240, 1090752), (247, 1059840), (256, 1022580), (260, 1006848), (276, 948480), (285, 918528), (288, 908960), (299, 875520), (304, 861120), (312, 839040), (320, 818064), (342, 765440), (345, 758784), (360, 727168), (368, 711360), (380, 688896), (384, 681720), (390, 671232), (414, 632320), (416, 629280), (437, 599040), (456, 574080), (460, 569088), (468, 559360), (480, 545376), (494, 529920), (512, 511290), (520, 503424), (552, 474240), (570, 459264), (576, 454480), (585, 447488), (598, 437760), (608, 430560), (624, 419520), (640, 409032), (684, 382720), (690, 379392), (720, 363584), (736, 355680), (741, 353280), (760, 344448), (768, 340860), (780, 335616), (828, 316160), (832, 314640), (855, 306176), (874, 299520), (897, 291840), (912, 287040), (920, 284544), (936, 279680), (960, 272688), (988, 264960), (1024, 255645), (1035, 252928), (1040, 251712), (1104, 237120), (1140, 229632), (1152, 227240), (1170, 223744), (1196, 218880), (1216, 215280), (1235, 211968), (1248, 209760), (1280, 204516), (1311, 199680), (1368, 191360), (1380, 189696), (1440, 181792), (1472, 177840), (1482, 176640), (1495, 175104), (1520, 172224), (1536, 170430), (1560, 167808), (1656, 158080), (1664, 157320), (1710, 153088), (1748, 149760), (1794, 145920), (1824, 143520), (1840, 142272), (1872, 139840), (1920, 136344), (1976, 132480), (2070, 126464), (2080, 125856), (2185, 119808), (2208, 118560), (2223, 117760), (2280, 114816), (2304, 113620), (2340, 111872), (2392, 109440), (2432, 107640), (2470, 105984), (2496, 104880), (2560, 102258), (2622, 99840), (2691, 97280), (2736, 95680), (2760, 94848), (2880, 90896), (2944, 88920), (2964, 88320), (2990, 87552), (3040, 86112), (3072, 85215), (3120, 83904), (3312, 79040), (3328, 78660), (3420, 76544), (3496, 74880), (3588, 72960), (3648, 71760), (3680, 71136), (3705, 70656), (3744, 69920), (3840, 68172), (3933, 66560), (3952, 66240), (4140, 63232), (4160, 62928), (4370, 59904), (4416, 59280), (4446, 58880), (4485, 58368), (4560, 57408), (4608, 56810), (4680, 55936), (4784, 54720), (4864, 53820), (4940, 52992), (4992, 52440), (5120, 51129), (5244, 49920), (5382, 48640), (5472, 47840), (5520, 47424), (5681, 46080), (5760, 45448), (5888, 44460), (5928, 44160), (5980, 43776), (6080, 43056), (6240, 41952), (6555, 39936), (6624, 39520), (6656, 39330), (6840, 38272), (6992, 37440), (7176, 36480), (7296, 35880), (7360, 35568), (7410, 35328), (7488, 34960), (7680, 34086), (7866, 33280), (7904, 33120), (8280, 31616), (8320, 31464), (8740, 29952), (8832, 29640), (8892, 29440), (8970, 29184), (9120, 28704), (9216, 28405), (9360, 27968), (9568, 27360), (9728, 26910), (9880, 26496), (9984, 26220), (10488, 24960), (10764, 24320), (10944, 23920), (11040, 23712), (11115, 23552), (11362, 23040), (11520, 22724), (11776, 22230), (11856, 22080), (11960, 21888), (12160, 21528), (12480, 20976), (13110, 19968), (13248, 19760), (13312, 19665), (13455, 19456), (13680, 19136), (13984, 18720), (14352, 18240), (14592, 17940), (14720, 17784), (14820, 17664), (14976, 17480), (15360, 17043), (15732, 16640), (15808, 16560)]