213319680

素因数分解:

$2^{16}\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 272

約数和(自身を含む): 805300224

約数和(自身を除く): 591980544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1024, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1680, 1736, 1792, 1860, 1920, 1984, 2048, 2170, 2240, 2480, 2560, 2604, 2688, 2976, 3072, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 4096, 4340, 4480, 4960, 5120, 5208, 5376, 5952, 6144, 6510, 6720, 6944, 7168, 7440, 7680, 7936, 8192, 8680, 8960, 9920, 10240, 10416, 10752, 11904, 12288, 13020, 13440, 13888, 14336, 14880, 15360, 15872, 16384, 17360, 17920, 19840, 20480, 20832, 21504, 23808, 24576, 26040, 26880, 27776, 28672, 29760, 30720, 31744, 32768, 34720, 35840, 39680, 40960, 41664, 43008, 47616, 49152, 52080, 53760, 55552, 57344, 59520, 61440, 63488, 65536, 69440, 71680, 79360, 81920, 83328, 86016, 95232, 98304, 104160, 107520, 111104, 114688, 119040, 122880, 126976, 138880, 143360, 158720, 163840, 166656, 172032, 190464, 196608, 208320, 215040, 222208, 229376, 238080, 245760, 253952, 277760, 286720, 317440, 327680, 333312, 344064, 380928, 416640, 430080, 444416, 458752, 476160, 491520, 507904, 555520, 573440, 634880, 666624, 688128, 761856, 833280, 860160, 888832, 952320, 983040, 1015808, 1111040, 1146880, 1269760, 1333248, 1376256, 1523712, 1666560, 1720320, 1777664, 1904640, 2031616, 2222080, 2293760, 2539520, 2666496, 3047424, 3333120, 3440640, 3555328, 3809280, 4444160, 5079040, 5332992, 6094848, 6666240, 6881280, 7110656, 7618560, 8888320, 10158080, 10665984, 13332480, 14221312, 15237120, 17776640, 21331968, 26664960, 30474240, 35553280, 42663936, 53329920, 71106560, 106659840, 213319680]

約数ペア:

[(1, 213319680), (2, 106659840), (3, 71106560), (4, 53329920), (5, 42663936), (6, 35553280), (7, 30474240), (8, 26664960), (10, 21331968), (12, 17776640), (14, 15237120), (15, 14221312), (16, 13332480), (20, 10665984), (21, 10158080), (24, 8888320), (28, 7618560), (30, 7110656), (31, 6881280), (32, 6666240), (35, 6094848), (40, 5332992), (42, 5079040), (48, 4444160), (56, 3809280), (60, 3555328), (62, 3440640), (64, 3333120), (70, 3047424), (80, 2666496), (84, 2539520), (93, 2293760), (96, 2222080), (105, 2031616), (112, 1904640), (120, 1777664), (124, 1720320), (128, 1666560), (140, 1523712), (155, 1376256), (160, 1333248), (168, 1269760), (186, 1146880), (192, 1111040), (210, 1015808), (217, 983040), (224, 952320), (240, 888832), (248, 860160), (256, 833280), (280, 761856), (310, 688128), (320, 666624), (336, 634880), (372, 573440), (384, 555520), (420, 507904), (434, 491520), (448, 476160), (465, 458752), (480, 444416), (496, 430080), (512, 416640), (560, 380928), (620, 344064), (640, 333312), (651, 327680), (672, 317440), (744, 286720), (768, 277760), (840, 253952), (868, 245760), (896, 238080), (930, 229376), (960, 222208), (992, 215040), (1024, 208320), (1085, 196608), (1120, 190464), (1240, 172032), (1280, 166656), (1302, 163840), (1344, 158720), (1488, 143360), (1536, 138880), (1680, 126976), (1736, 122880), (1792, 119040), (1860, 114688), (1920, 111104), (1984, 107520), (2048, 104160), (2170, 98304), (2240, 95232), (2480, 86016), (2560, 83328), (2604, 81920), (2688, 79360), (2976, 71680), (3072, 69440), (3255, 65536), (3360, 63488), (3472, 61440), (3584, 59520), (3720, 57344), (3840, 55552), (3968, 53760), (4096, 52080), (4340, 49152), (4480, 47616), (4960, 43008), (5120, 41664), (5208, 40960), (5376, 39680), (5952, 35840), (6144, 34720), (6510, 32768), (6720, 31744), (6944, 30720), (7168, 29760), (7440, 28672), (7680, 27776), (7936, 26880), (8192, 26040), (8680, 24576), (8960, 23808), (9920, 21504), (10240, 20832), (10416, 20480), (10752, 19840), (11904, 17920), (12288, 17360), (13020, 16384), (13440, 15872), (13888, 15360), (14336, 14880)]