208324480

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 256

約数和(自身を含む): 634032000

約数和(自身を除く): 425707520

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, 73, 80, 91, 98, 104, 112, 128, 130, 140, 146, 160, 182, 196, 208, 224, 245, 260, 280, 292, 320, 343, 364, 365, 392, 416, 448, 455, 490, 511, 520, 560, 584, 637, 640, 686, 728, 730, 784, 832, 896, 910, 949, 980, 1022, 1040, 1120, 1168, 1274, 1372, 1456, 1460, 1568, 1664, 1715, 1820, 1898, 1960, 2044, 2080, 2240, 2336, 2548, 2555, 2744, 2912, 2920, 3136, 3185, 3430, 3577, 3640, 3796, 3920, 4088, 4160, 4459, 4480, 4672, 4745, 5096, 5110, 5488, 5824, 5840, 6272, 6370, 6643, 6860, 7154, 7280, 7592, 7840, 8176, 8320, 8918, 9344, 9490, 10192, 10220, 10976, 11648, 11680, 12740, 13286, 13720, 14308, 14560, 15184, 15680, 16352, 17836, 17885, 18980, 20384, 20440, 21952, 22295, 23360, 25039, 25480, 26572, 27440, 28616, 29120, 30368, 31360, 32704, 33215, 35672, 35770, 37960, 40768, 40880, 43904, 44590, 46501, 46720, 50078, 50960, 53144, 54880, 57232, 58240, 60736, 65408, 66430, 71344, 71540, 75920, 81536, 81760, 89180, 93002, 100156, 101920, 106288, 109760, 114464, 121472, 125195, 132860, 142688, 143080, 151840, 163520, 178360, 186004, 200312, 203840, 212576, 219520, 228928, 232505, 250390, 265720, 285376, 286160, 303680, 325507, 327040, 356720, 372008, 400624, 407680, 425152, 457856, 465010, 500780, 531440, 570752, 572320, 607360, 651014, 713440, 744016, 801248, 850304, 930020, 1001560, 1062880, 1144640, 1302028, 1426880, 1488032, 1602496, 1627535, 1860040, 2003120, 2125760, 2289280, 2604056, 2853760, 2976064, 3204992, 3255070, 3720080, 4006240, 4251520, 5208112, 5952128, 6510140, 7440160, 8012480, 10416224, 13020280, 14880320, 16024960, 20832448, 26040560, 29760640, 41664896, 52081120, 104162240, 208324480]

約数ペア:

[(1, 208324480), (2, 104162240), (4, 52081120), (5, 41664896), (7, 29760640), (8, 26040560), (10, 20832448), (13, 16024960), (14, 14880320), (16, 13020280), (20, 10416224), (26, 8012480), (28, 7440160), (32, 6510140), (35, 5952128), (40, 5208112), (49, 4251520), (52, 4006240), (56, 3720080), (64, 3255070), (65, 3204992), (70, 2976064), (73, 2853760), (80, 2604056), (91, 2289280), (98, 2125760), (104, 2003120), (112, 1860040), (128, 1627535), (130, 1602496), (140, 1488032), (146, 1426880), (160, 1302028), (182, 1144640), (196, 1062880), (208, 1001560), (224, 930020), (245, 850304), (260, 801248), (280, 744016), (292, 713440), (320, 651014), (343, 607360), (364, 572320), (365, 570752), (392, 531440), (416, 500780), (448, 465010), (455, 457856), (490, 425152), (511, 407680), (520, 400624), (560, 372008), (584, 356720), (637, 327040), (640, 325507), (686, 303680), (728, 286160), (730, 285376), (784, 265720), (832, 250390), (896, 232505), (910, 228928), (949, 219520), (980, 212576), (1022, 203840), (1040, 200312), (1120, 186004), (1168, 178360), (1274, 163520), (1372, 151840), (1456, 143080), (1460, 142688), (1568, 132860), (1664, 125195), (1715, 121472), (1820, 114464), (1898, 109760), (1960, 106288), (2044, 101920), (2080, 100156), (2240, 93002), (2336, 89180), (2548, 81760), (2555, 81536), (2744, 75920), (2912, 71540), (2920, 71344), (3136, 66430), (3185, 65408), (3430, 60736), (3577, 58240), (3640, 57232), (3796, 54880), (3920, 53144), (4088, 50960), (4160, 50078), (4459, 46720), (4480, 46501), (4672, 44590), (4745, 43904), (5096, 40880), (5110, 40768), (5488, 37960), (5824, 35770), (5840, 35672), (6272, 33215), (6370, 32704), (6643, 31360), (6860, 30368), (7154, 29120), (7280, 28616), (7592, 27440), (7840, 26572), (8176, 25480), (8320, 25039), (8918, 23360), (9344, 22295), (9490, 21952), (10192, 20440), (10220, 20384), (10976, 18980), (11648, 17885), (11680, 17836), (12740, 16352), (13286, 15680), (13720, 15184), (14308, 14560)]