209879040

素因数分解:

$2^{15}\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 256

約数和(自身を含む): 780128640

約数和(自身を除く): 570249600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 128, 140, 160, 168, 183, 192, 210, 224, 240, 244, 256, 280, 305, 320, 336, 366, 384, 420, 427, 448, 480, 488, 512, 560, 610, 640, 672, 732, 768, 840, 854, 896, 915, 960, 976, 1024, 1120, 1220, 1280, 1281, 1344, 1464, 1536, 1680, 1708, 1792, 1830, 1920, 1952, 2048, 2135, 2240, 2440, 2560, 2562, 2688, 2928, 3072, 3360, 3416, 3584, 3660, 3840, 3904, 4096, 4270, 4480, 4880, 5120, 5124, 5376, 5856, 6144, 6405, 6720, 6832, 7168, 7320, 7680, 7808, 8192, 8540, 8960, 9760, 10240, 10248, 10752, 11712, 12288, 12810, 13440, 13664, 14336, 14640, 15360, 15616, 16384, 17080, 17920, 19520, 20480, 20496, 21504, 23424, 24576, 25620, 26880, 27328, 28672, 29280, 30720, 31232, 32768, 34160, 35840, 39040, 40960, 40992, 43008, 46848, 49152, 51240, 53760, 54656, 57344, 58560, 61440, 62464, 68320, 71680, 78080, 81920, 81984, 86016, 93696, 98304, 102480, 107520, 109312, 114688, 117120, 122880, 124928, 136640, 143360, 156160, 163840, 163968, 172032, 187392, 204960, 215040, 218624, 229376, 234240, 245760, 249856, 273280, 286720, 312320, 327936, 344064, 374784, 409920, 430080, 437248, 468480, 491520, 499712, 546560, 573440, 624640, 655872, 688128, 749568, 819840, 860160, 874496, 936960, 999424, 1093120, 1146880, 1249280, 1311744, 1499136, 1639680, 1720320, 1748992, 1873920, 1998848, 2186240, 2498560, 2623488, 2998272, 3279360, 3440640, 3497984, 3747840, 4372480, 4997120, 5246976, 5996544, 6558720, 6995968, 7495680, 8744960, 9994240, 10493952, 13117440, 13991936, 14991360, 17489920, 20987904, 26234880, 29982720, 34979840, 41975808, 52469760, 69959680, 104939520, 209879040]

約数ペア:

[(1, 209879040), (2, 104939520), (3, 69959680), (4, 52469760), (5, 41975808), (6, 34979840), (7, 29982720), (8, 26234880), (10, 20987904), (12, 17489920), (14, 14991360), (15, 13991936), (16, 13117440), (20, 10493952), (21, 9994240), (24, 8744960), (28, 7495680), (30, 6995968), (32, 6558720), (35, 5996544), (40, 5246976), (42, 4997120), (48, 4372480), (56, 3747840), (60, 3497984), (61, 3440640), (64, 3279360), (70, 2998272), (80, 2623488), (84, 2498560), (96, 2186240), (105, 1998848), (112, 1873920), (120, 1748992), (122, 1720320), (128, 1639680), (140, 1499136), (160, 1311744), (168, 1249280), (183, 1146880), (192, 1093120), (210, 999424), (224, 936960), (240, 874496), (244, 860160), (256, 819840), (280, 749568), (305, 688128), (320, 655872), (336, 624640), (366, 573440), (384, 546560), (420, 499712), (427, 491520), (448, 468480), (480, 437248), (488, 430080), (512, 409920), (560, 374784), (610, 344064), (640, 327936), (672, 312320), (732, 286720), (768, 273280), (840, 249856), (854, 245760), (896, 234240), (915, 229376), (960, 218624), (976, 215040), (1024, 204960), (1120, 187392), (1220, 172032), (1280, 163968), (1281, 163840), (1344, 156160), (1464, 143360), (1536, 136640), (1680, 124928), (1708, 122880), (1792, 117120), (1830, 114688), (1920, 109312), (1952, 107520), (2048, 102480), (2135, 98304), (2240, 93696), (2440, 86016), (2560, 81984), (2562, 81920), (2688, 78080), (2928, 71680), (3072, 68320), (3360, 62464), (3416, 61440), (3584, 58560), (3660, 57344), (3840, 54656), (3904, 53760), (4096, 51240), (4270, 49152), (4480, 46848), (4880, 43008), (5120, 40992), (5124, 40960), (5376, 39040), (5856, 35840), (6144, 34160), (6405, 32768), (6720, 31232), (6832, 30720), (7168, 29280), (7320, 28672), (7680, 27328), (7808, 26880), (8192, 25620), (8540, 24576), (8960, 23424), (9760, 21504), (10240, 20496), (10248, 20480), (10752, 19520), (11712, 17920), (12288, 17080), (12810, 16384), (13440, 15616), (13664, 15360), (14336, 14640)]