678379520

素因数分解:

$2^{14}\times 5^1\times 7^2\times {\mathrm{13}}^2$

素因数の和:73

約数の個数: 270

約数和(自身を含む): 2050755462

約数和(自身を除く): 1372375942

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 169, 182, 196, 208, 224, 245, 256, 260, 280, 320, 338, 364, 392, 416, 448, 455, 490, 512, 520, 560, 637, 640, 676, 728, 784, 832, 845, 896, 910, 980, 1024, 1040, 1120, 1183, 1274, 1280, 1352, 1456, 1568, 1664, 1690, 1792, 1820, 1960, 2048, 2080, 2240, 2366, 2548, 2560, 2704, 2912, 3136, 3185, 3328, 3380, 3584, 3640, 3920, 4096, 4160, 4480, 4732, 5096, 5120, 5408, 5824, 5915, 6272, 6370, 6656, 6760, 7168, 7280, 7840, 8192, 8281, 8320, 8960, 9464, 10192, 10240, 10816, 11648, 11830, 12544, 12740, 13312, 13520, 14336, 14560, 15680, 16384, 16562, 16640, 17920, 18928, 20384, 20480, 21632, 23296, 23660, 25088, 25480, 26624, 27040, 28672, 29120, 31360, 33124, 33280, 35840, 37856, 40768, 40960, 41405, 43264, 46592, 47320, 50176, 50960, 53248, 54080, 57344, 58240, 62720, 66248, 66560, 71680, 75712, 81536, 81920, 82810, 86528, 93184, 94640, 100352, 101920, 106496, 108160, 114688, 116480, 125440, 132496, 133120, 143360, 151424, 163072, 165620, 173056, 186368, 189280, 200704, 203840, 212992, 216320, 232960, 250880, 264992, 266240, 286720, 302848, 326144, 331240, 346112, 372736, 378560, 401408, 407680, 432640, 465920, 501760, 529984, 532480, 573440, 605696, 652288, 662480, 692224, 745472, 757120, 802816, 815360, 865280, 931840, 1003520, 1059968, 1064960, 1211392, 1304576, 1324960, 1384448, 1490944, 1514240, 1630720, 1730560, 1863680, 2007040, 2119936, 2422784, 2609152, 2649920, 2768896, 3028480, 3261440, 3461120, 3727360, 4014080, 4239872, 4845568, 5218304, 5299840, 6056960, 6522880, 6922240, 7454720, 8479744, 9691136, 10436608, 10599680, 12113920, 13045760, 13844480, 16959488, 19382272, 21199360, 24227840, 26091520, 33918976, 42398720, 48455680, 52183040, 67837952, 84797440, 96911360, 135675904, 169594880, 339189760, 678379520]

約数ペア:

[(1, 678379520), (2, 339189760), (4, 169594880), (5, 135675904), (7, 96911360), (8, 84797440), (10, 67837952), (13, 52183040), (14, 48455680), (16, 42398720), (20, 33918976), (26, 26091520), (28, 24227840), (32, 21199360), (35, 19382272), (40, 16959488), (49, 13844480), (52, 13045760), (56, 12113920), (64, 10599680), (65, 10436608), (70, 9691136), (80, 8479744), (91, 7454720), (98, 6922240), (104, 6522880), (112, 6056960), (128, 5299840), (130, 5218304), (140, 4845568), (160, 4239872), (169, 4014080), (182, 3727360), (196, 3461120), (208, 3261440), (224, 3028480), (245, 2768896), (256, 2649920), (260, 2609152), (280, 2422784), (320, 2119936), (338, 2007040), (364, 1863680), (392, 1730560), (416, 1630720), (448, 1514240), (455, 1490944), (490, 1384448), (512, 1324960), (520, 1304576), (560, 1211392), (637, 1064960), (640, 1059968), (676, 1003520), (728, 931840), (784, 865280), (832, 815360), (845, 802816), (896, 757120), (910, 745472), (980, 692224), (1024, 662480), (1040, 652288), (1120, 605696), (1183, 573440), (1274, 532480), (1280, 529984), (1352, 501760), (1456, 465920), (1568, 432640), (1664, 407680), (1690, 401408), (1792, 378560), (1820, 372736), (1960, 346112), (2048, 331240), (2080, 326144), (2240, 302848), (2366, 286720), (2548, 266240), (2560, 264992), (2704, 250880), (2912, 232960), (3136, 216320), (3185, 212992), (3328, 203840), (3380, 200704), (3584, 189280), (3640, 186368), (3920, 173056), (4096, 165620), (4160, 163072), (4480, 151424), (4732, 143360), (5096, 133120), (5120, 132496), (5408, 125440), (5824, 116480), (5915, 114688), (6272, 108160), (6370, 106496), (6656, 101920), (6760, 100352), (7168, 94640), (7280, 93184), (7840, 86528), (8192, 82810), (8281, 81920), (8320, 81536), (8960, 75712), (9464, 71680), (10192, 66560), (10240, 66248), (10816, 62720), (11648, 58240), (11830, 57344), (12544, 54080), (12740, 53248), (13312, 50960), (13520, 50176), (14336, 47320), (14560, 46592), (15680, 43264), (16384, 41405), (16562, 40960), (16640, 40768), (17920, 37856), (18928, 35840), (20384, 33280), (20480, 33124), (21632, 31360), (23296, 29120), (23660, 28672), (25088, 27040), (25480, 26624)]