15998976

素因数分解:

$2^{13}\times 3^2\times 7^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 168

約数和(自身を含む): 54522624

約数和(自身を除く): 38523648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 512, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1024, 1116, 1152, 1302, 1344, 1488, 1536, 1736, 1792, 1953, 1984, 2016, 2048, 2232, 2304, 2604, 2688, 2976, 3072, 3472, 3584, 3906, 3968, 4032, 4096, 4464, 4608, 5208, 5376, 5952, 6144, 6944, 7168, 7812, 7936, 8064, 8192, 8928, 9216, 10416, 10752, 11904, 12288, 13888, 14336, 15624, 15872, 16128, 17856, 18432, 20832, 21504, 23808, 24576, 27776, 28672, 31248, 31744, 32256, 35712, 36864, 41664, 43008, 47616, 55552, 57344, 62496, 63488, 64512, 71424, 73728, 83328, 86016, 95232, 111104, 124992, 126976, 129024, 142848, 166656, 172032, 190464, 222208, 249984, 253952, 258048, 285696, 333312, 380928, 444416, 499968, 516096, 571392, 666624, 761856, 888832, 999936, 1142784, 1333248, 1777664, 1999872, 2285568, 2666496, 3999744, 5332992, 7999488, 15998976]

約数ペア:

[(1, 15998976), (2, 7999488), (3, 5332992), (4, 3999744), (6, 2666496), (7, 2285568), (8, 1999872), (9, 1777664), (12, 1333248), (14, 1142784), (16, 999936), (18, 888832), (21, 761856), (24, 666624), (28, 571392), (31, 516096), (32, 499968), (36, 444416), (42, 380928), (48, 333312), (56, 285696), (62, 258048), (63, 253952), (64, 249984), (72, 222208), (84, 190464), (93, 172032), (96, 166656), (112, 142848), (124, 129024), (126, 126976), (128, 124992), (144, 111104), (168, 95232), (186, 86016), (192, 83328), (217, 73728), (224, 71424), (248, 64512), (252, 63488), (256, 62496), (279, 57344), (288, 55552), (336, 47616), (372, 43008), (384, 41664), (434, 36864), (448, 35712), (496, 32256), (504, 31744), (512, 31248), (558, 28672), (576, 27776), (651, 24576), (672, 23808), (744, 21504), (768, 20832), (868, 18432), (896, 17856), (992, 16128), (1008, 15872), (1024, 15624), (1116, 14336), (1152, 13888), (1302, 12288), (1344, 11904), (1488, 10752), (1536, 10416), (1736, 9216), (1792, 8928), (1953, 8192), (1984, 8064), (2016, 7936), (2048, 7812), (2232, 7168), (2304, 6944), (2604, 6144), (2688, 5952), (2976, 5376), (3072, 5208), (3472, 4608), (3584, 4464), (3906, 4096), (3968, 4032)]