1640783872

素因数分解:

$2^{13}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 224

約数和(自身を含む): 4227600384

約数和(自身を除く): 2586816512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 71, 91, 104, 112, 124, 128, 142, 182, 208, 217, 224, 248, 256, 284, 364, 403, 416, 434, 448, 496, 497, 512, 568, 728, 806, 832, 868, 896, 923, 992, 994, 1024, 1136, 1456, 1612, 1664, 1736, 1792, 1846, 1984, 1988, 2048, 2201, 2272, 2821, 2912, 3224, 3328, 3472, 3584, 3692, 3968, 3976, 4096, 4402, 4544, 5642, 5824, 6448, 6461, 6656, 6944, 7168, 7384, 7936, 7952, 8192, 8804, 9088, 11284, 11648, 12896, 12922, 13312, 13888, 14336, 14768, 15407, 15872, 15904, 17608, 18176, 22568, 23296, 25792, 25844, 26624, 27776, 28613, 28672, 29536, 30814, 31744, 31808, 35216, 36352, 45136, 46592, 51584, 51688, 53248, 55552, 57226, 57344, 59072, 61628, 63488, 63616, 70432, 72704, 90272, 93184, 103168, 103376, 106496, 111104, 114452, 118144, 123256, 126976, 127232, 140864, 145408, 180544, 186368, 200291, 206336, 206752, 222208, 228904, 236288, 246512, 253952, 254464, 281728, 290816, 361088, 372736, 400582, 412672, 413504, 444416, 457808, 472576, 493024, 508928, 563456, 581632, 722176, 745472, 801164, 825344, 827008, 888832, 915616, 945152, 986048, 1017856, 1126912, 1444352, 1602328, 1650688, 1654016, 1777664, 1831232, 1890304, 1972096, 2035712, 2253824, 2888704, 3204656, 3301376, 3308032, 3662464, 3780608, 3944192, 4071424, 4507648, 5777408, 6409312, 6616064, 7324928, 7561216, 7888384, 9015296, 11554816, 12818624, 13232128, 14649856, 15776768, 18030592, 23109632, 25637248, 26464256, 29299712, 31553536, 51274496, 52928512, 58599424, 63107072, 102548992, 117198848, 126214144, 205097984, 234397696, 410195968, 820391936, 1640783872]

約数ペア:

[(1, 1640783872), (2, 820391936), (4, 410195968), (7, 234397696), (8, 205097984), (13, 126214144), (14, 117198848), (16, 102548992), (26, 63107072), (28, 58599424), (31, 52928512), (32, 51274496), (52, 31553536), (56, 29299712), (62, 26464256), (64, 25637248), (71, 23109632), (91, 18030592), (104, 15776768), (112, 14649856), (124, 13232128), (128, 12818624), (142, 11554816), (182, 9015296), (208, 7888384), (217, 7561216), (224, 7324928), (248, 6616064), (256, 6409312), (284, 5777408), (364, 4507648), (403, 4071424), (416, 3944192), (434, 3780608), (448, 3662464), (496, 3308032), (497, 3301376), (512, 3204656), (568, 2888704), (728, 2253824), (806, 2035712), (832, 1972096), (868, 1890304), (896, 1831232), (923, 1777664), (992, 1654016), (994, 1650688), (1024, 1602328), (1136, 1444352), (1456, 1126912), (1612, 1017856), (1664, 986048), (1736, 945152), (1792, 915616), (1846, 888832), (1984, 827008), (1988, 825344), (2048, 801164), (2201, 745472), (2272, 722176), (2821, 581632), (2912, 563456), (3224, 508928), (3328, 493024), (3472, 472576), (3584, 457808), (3692, 444416), (3968, 413504), (3976, 412672), (4096, 400582), (4402, 372736), (4544, 361088), (5642, 290816), (5824, 281728), (6448, 254464), (6461, 253952), (6656, 246512), (6944, 236288), (7168, 228904), (7384, 222208), (7936, 206752), (7952, 206336), (8192, 200291), (8804, 186368), (9088, 180544), (11284, 145408), (11648, 140864), (12896, 127232), (12922, 126976), (13312, 123256), (13888, 118144), (14336, 114452), (14768, 111104), (15407, 106496), (15872, 103376), (15904, 103168), (17608, 93184), (18176, 90272), (22568, 72704), (23296, 70432), (25792, 63616), (25844, 63488), (26624, 61628), (27776, 59072), (28613, 57344), (28672, 57226), (29536, 55552), (30814, 53248), (31744, 51688), (31808, 51584), (35216, 46592), (36352, 45136)]