1987313664

素因数分解:

$2^{18}\times 3^1\times 7^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 228

約数和(自身を含む): 6392107104

約数和(自身を除く): 4404793440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 361, 384, 399, 448, 456, 512, 532, 608, 672, 722, 768, 798, 896, 912, 1024, 1064, 1083, 1216, 1344, 1444, 1536, 1596, 1792, 1824, 2048, 2128, 2166, 2432, 2527, 2688, 2888, 3072, 3192, 3584, 3648, 4096, 4256, 4332, 4864, 5054, 5376, 5776, 6144, 6384, 7168, 7296, 7581, 8192, 8512, 8664, 9728, 10108, 10752, 11552, 12288, 12768, 14336, 14592, 15162, 16384, 17024, 17328, 19456, 20216, 21504, 23104, 24576, 25536, 28672, 29184, 30324, 32768, 34048, 34656, 38912, 40432, 43008, 46208, 49152, 51072, 57344, 58368, 60648, 65536, 68096, 69312, 77824, 80864, 86016, 92416, 98304, 102144, 114688, 116736, 121296, 131072, 136192, 138624, 155648, 161728, 172032, 184832, 196608, 204288, 229376, 233472, 242592, 262144, 272384, 277248, 311296, 323456, 344064, 369664, 393216, 408576, 458752, 466944, 485184, 544768, 554496, 622592, 646912, 688128, 739328, 786432, 817152, 917504, 933888, 970368, 1089536, 1108992, 1245184, 1293824, 1376256, 1478656, 1634304, 1835008, 1867776, 1940736, 2179072, 2217984, 2490368, 2587648, 2752512, 2957312, 3268608, 3735552, 3881472, 4358144, 4435968, 4980736, 5175296, 5505024, 5914624, 6537216, 7471104, 7762944, 8716288, 8871936, 10350592, 11829248, 13074432, 14942208, 15525888, 17432576, 17743872, 20701184, 23658496, 26148864, 31051776, 34865152, 35487744, 41402368, 47316992, 52297728, 62103552, 70975488, 82804736, 94633984, 104595456, 124207104, 141950976, 165609472, 248414208, 283901952, 331218944, 496828416, 662437888, 993656832, 1987313664]

約数ペア:

[(1, 1987313664), (2, 993656832), (3, 662437888), (4, 496828416), (6, 331218944), (7, 283901952), (8, 248414208), (12, 165609472), (14, 141950976), (16, 124207104), (19, 104595456), (21, 94633984), (24, 82804736), (28, 70975488), (32, 62103552), (38, 52297728), (42, 47316992), (48, 41402368), (56, 35487744), (57, 34865152), (64, 31051776), (76, 26148864), (84, 23658496), (96, 20701184), (112, 17743872), (114, 17432576), (128, 15525888), (133, 14942208), (152, 13074432), (168, 11829248), (192, 10350592), (224, 8871936), (228, 8716288), (256, 7762944), (266, 7471104), (304, 6537216), (336, 5914624), (361, 5505024), (384, 5175296), (399, 4980736), (448, 4435968), (456, 4358144), (512, 3881472), (532, 3735552), (608, 3268608), (672, 2957312), (722, 2752512), (768, 2587648), (798, 2490368), (896, 2217984), (912, 2179072), (1024, 1940736), (1064, 1867776), (1083, 1835008), (1216, 1634304), (1344, 1478656), (1444, 1376256), (1536, 1293824), (1596, 1245184), (1792, 1108992), (1824, 1089536), (2048, 970368), (2128, 933888), (2166, 917504), (2432, 817152), (2527, 786432), (2688, 739328), (2888, 688128), (3072, 646912), (3192, 622592), (3584, 554496), (3648, 544768), (4096, 485184), (4256, 466944), (4332, 458752), (4864, 408576), (5054, 393216), (5376, 369664), (5776, 344064), (6144, 323456), (6384, 311296), (7168, 277248), (7296, 272384), (7581, 262144), (8192, 242592), (8512, 233472), (8664, 229376), (9728, 204288), (10108, 196608), (10752, 184832), (11552, 172032), (12288, 161728), (12768, 155648), (14336, 138624), (14592, 136192), (15162, 131072), (16384, 121296), (17024, 116736), (17328, 114688), (19456, 102144), (20216, 98304), (21504, 92416), (23104, 86016), (24576, 80864), (25536, 77824), (28672, 69312), (29184, 68096), (30324, 65536), (32768, 60648), (34048, 58368), (34656, 57344), (38912, 51072), (40432, 49152), (43008, 46208)]