81897984

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2570

約数の個数: 120

約数和(自身を含む): 270235680

約数和(自身を除く): 188337696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2539, 2688, 3584, 4032, 4608, 5078, 5376, 7617, 8064, 10156, 10752, 15234, 16128, 17773, 20312, 22851, 30468, 32256, 35546, 40624, 45702, 53319, 60936, 71092, 81248, 91404, 106638, 121872, 142184, 159957, 162496, 182808, 213276, 243744, 284368, 319914, 324992, 365616, 426552, 487488, 568736, 639828, 649984, 731232, 853104, 974976, 1137472, 1279656, 1299968, 1462464, 1706208, 1949952, 2274944, 2559312, 2924928, 3412416, 3899904, 4549888, 5118624, 5849856, 6824832, 9099776, 10237248, 11699712, 13649664, 20474496, 27299328, 40948992, 81897984]

約数ペア:

[(1, 81897984), (2, 40948992), (3, 27299328), (4, 20474496), (6, 13649664), (7, 11699712), (8, 10237248), (9, 9099776), (12, 6824832), (14, 5849856), (16, 5118624), (18, 4549888), (21, 3899904), (24, 3412416), (28, 2924928), (32, 2559312), (36, 2274944), (42, 1949952), (48, 1706208), (56, 1462464), (63, 1299968), (64, 1279656), (72, 1137472), (84, 974976), (96, 853104), (112, 731232), (126, 649984), (128, 639828), (144, 568736), (168, 487488), (192, 426552), (224, 365616), (252, 324992), (256, 319914), (288, 284368), (336, 243744), (384, 213276), (448, 182808), (504, 162496), (512, 159957), (576, 142184), (672, 121872), (768, 106638), (896, 91404), (1008, 81248), (1152, 71092), (1344, 60936), (1536, 53319), (1792, 45702), (2016, 40624), (2304, 35546), (2539, 32256), (2688, 30468), (3584, 22851), (4032, 20312), (4608, 17773), (5078, 16128), (5376, 15234), (7617, 10752), (8064, 10156)]