1312030720

素因数分解:

$2^{18}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:72

約数の個数: 304

約数和(自身を含む): 4227850368

約数和(自身を除く): 2915819648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 256, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 512, 520, 560, 572, 616, 640, 704, 715, 728, 770, 832, 880, 896, 910, 1001, 1024, 1040, 1120, 1144, 1232, 1280, 1408, 1430, 1456, 1540, 1664, 1760, 1792, 1820, 2002, 2048, 2080, 2240, 2288, 2464, 2560, 2816, 2860, 2912, 3080, 3328, 3520, 3584, 3640, 4004, 4096, 4160, 4480, 4576, 4928, 5005, 5120, 5632, 5720, 5824, 6160, 6656, 7040, 7168, 7280, 8008, 8192, 8320, 8960, 9152, 9856, 10010, 10240, 11264, 11440, 11648, 12320, 13312, 14080, 14336, 14560, 16016, 16384, 16640, 17920, 18304, 19712, 20020, 20480, 22528, 22880, 23296, 24640, 26624, 28160, 28672, 29120, 32032, 32768, 33280, 35840, 36608, 39424, 40040, 40960, 45056, 45760, 46592, 49280, 53248, 56320, 57344, 58240, 64064, 65536, 66560, 71680, 73216, 78848, 80080, 81920, 90112, 91520, 93184, 98560, 106496, 112640, 114688, 116480, 128128, 131072, 133120, 143360, 146432, 157696, 160160, 163840, 180224, 183040, 186368, 197120, 212992, 225280, 229376, 232960, 256256, 262144, 266240, 286720, 292864, 315392, 320320, 327680, 360448, 366080, 372736, 394240, 425984, 450560, 458752, 465920, 512512, 532480, 573440, 585728, 630784, 640640, 655360, 720896, 732160, 745472, 788480, 851968, 901120, 917504, 931840, 1025024, 1064960, 1146880, 1171456, 1261568, 1281280, 1310720, 1441792, 1464320, 1490944, 1576960, 1703936, 1802240, 1835008, 1863680, 2050048, 2129920, 2293760, 2342912, 2523136, 2562560, 2883584, 2928640, 2981888, 3153920, 3407872, 3604480, 3727360, 4100096, 4259840, 4587520, 4685824, 5046272, 5125120, 5857280, 5963776, 6307840, 7208960, 7454720, 8200192, 8519680, 9175040, 9371648, 10092544, 10250240, 11714560, 11927552, 12615680, 14417920, 14909440, 16400384, 17039360, 18743296, 20185088, 20500480, 23429120, 23855104, 25231360, 29818880, 32800768, 37486592, 41000960, 46858240, 50462720, 59637760, 65601536, 82001920, 93716480, 100925440, 119275520, 131203072, 164003840, 187432960, 262406144, 328007680, 656015360, 1312030720]

約数ペア:

[(1, 1312030720), (2, 656015360), (4, 328007680), (5, 262406144), (7, 187432960), (8, 164003840), (10, 131203072), (11, 119275520), (13, 100925440), (14, 93716480), (16, 82001920), (20, 65601536), (22, 59637760), (26, 50462720), (28, 46858240), (32, 41000960), (35, 37486592), (40, 32800768), (44, 29818880), (52, 25231360), (55, 23855104), (56, 23429120), (64, 20500480), (65, 20185088), (70, 18743296), (77, 17039360), (80, 16400384), (88, 14909440), (91, 14417920), (104, 12615680), (110, 11927552), (112, 11714560), (128, 10250240), (130, 10092544), (140, 9371648), (143, 9175040), (154, 8519680), (160, 8200192), (176, 7454720), (182, 7208960), (208, 6307840), (220, 5963776), (224, 5857280), (256, 5125120), (260, 5046272), (280, 4685824), (286, 4587520), (308, 4259840), (320, 4100096), (352, 3727360), (364, 3604480), (385, 3407872), (416, 3153920), (440, 2981888), (448, 2928640), (455, 2883584), (512, 2562560), (520, 2523136), (560, 2342912), (572, 2293760), (616, 2129920), (640, 2050048), (704, 1863680), (715, 1835008), (728, 1802240), (770, 1703936), (832, 1576960), (880, 1490944), (896, 1464320), (910, 1441792), (1001, 1310720), (1024, 1281280), (1040, 1261568), (1120, 1171456), (1144, 1146880), (1232, 1064960), (1280, 1025024), (1408, 931840), (1430, 917504), (1456, 901120), (1540, 851968), (1664, 788480), (1760, 745472), (1792, 732160), (1820, 720896), (2002, 655360), (2048, 640640), (2080, 630784), (2240, 585728), (2288, 573440), (2464, 532480), (2560, 512512), (2816, 465920), (2860, 458752), (2912, 450560), (3080, 425984), (3328, 394240), (3520, 372736), (3584, 366080), (3640, 360448), (4004, 327680), (4096, 320320), (4160, 315392), (4480, 292864), (4576, 286720), (4928, 266240), (5005, 262144), (5120, 256256), (5632, 232960), (5720, 229376), (5824, 225280), (6160, 212992), (6656, 197120), (7040, 186368), (7168, 183040), (7280, 180224), (8008, 163840), (8192, 160160), (8320, 157696), (8960, 146432), (9152, 143360), (9856, 133120), (10010, 131072), (10240, 128128), (11264, 116480), (11440, 114688), (11648, 112640), (12320, 106496), (13312, 98560), (14080, 93184), (14336, 91520), (14560, 90112), (16016, 81920), (16384, 80080), (16640, 78848), (17920, 73216), (18304, 71680), (19712, 66560), (20020, 65536), (20480, 64064), (22528, 58240), (22880, 57344), (23296, 56320), (24640, 53248), (26624, 49280), (28160, 46592), (28672, 45760), (29120, 45056), (32032, 40960), (32768, 40040), (33280, 39424), (35840, 36608)]