81443712

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 253612800

約数和(自身を除く): 172169088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 128, 164, 168, 192, 224, 246, 287, 328, 336, 384, 448, 492, 574, 656, 672, 739, 861, 896, 984, 1148, 1312, 1344, 1478, 1722, 1968, 2217, 2296, 2624, 2688, 2956, 3444, 3936, 4434, 4592, 5173, 5248, 5912, 6888, 7872, 8868, 9184, 10346, 11824, 13776, 15519, 15744, 17736, 18368, 20692, 23648, 27552, 30299, 31038, 35472, 36736, 41384, 47296, 55104, 60598, 62076, 70944, 82768, 90897, 94592, 110208, 121196, 124152, 141888, 165536, 181794, 212093, 242392, 248304, 283776, 331072, 363588, 424186, 484784, 496608, 636279, 662144, 727176, 848372, 969568, 993216, 1272558, 1454352, 1696744, 1939136, 1986432, 2545116, 2908704, 3393488, 3878272, 5090232, 5817408, 6786976, 10180464, 11634816, 13573952, 20360928, 27147904, 40721856, 81443712]

約数ペア:

[(1, 81443712), (2, 40721856), (3, 27147904), (4, 20360928), (6, 13573952), (7, 11634816), (8, 10180464), (12, 6786976), (14, 5817408), (16, 5090232), (21, 3878272), (24, 3393488), (28, 2908704), (32, 2545116), (41, 1986432), (42, 1939136), (48, 1696744), (56, 1454352), (64, 1272558), (82, 993216), (84, 969568), (96, 848372), (112, 727176), (123, 662144), (128, 636279), (164, 496608), (168, 484784), (192, 424186), (224, 363588), (246, 331072), (287, 283776), (328, 248304), (336, 242392), (384, 212093), (448, 181794), (492, 165536), (574, 141888), (656, 124152), (672, 121196), (739, 110208), (861, 94592), (896, 90897), (984, 82768), (1148, 70944), (1312, 62076), (1344, 60598), (1478, 55104), (1722, 47296), (1968, 41384), (2217, 36736), (2296, 35472), (2624, 31038), (2688, 30299), (2956, 27552), (3444, 23648), (3936, 20692), (4434, 18368), (4592, 17736), (5173, 15744), (5248, 15519), (5912, 13776), (6888, 11824), (7872, 10346), (8868, 9184)]