81346944

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 252046080

約数和(自身を除く): 170699136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 84, 96, 106, 112, 128, 159, 168, 192, 212, 224, 318, 336, 371, 384, 424, 448, 571, 636, 672, 742, 848, 896, 1113, 1142, 1272, 1344, 1484, 1696, 1713, 2226, 2284, 2544, 2688, 2968, 3392, 3426, 3997, 4452, 4568, 5088, 5936, 6784, 6852, 7994, 8904, 9136, 10176, 11872, 11991, 13704, 15988, 17808, 18272, 20352, 23744, 23982, 27408, 30263, 31976, 35616, 36544, 47488, 47964, 54816, 60526, 63952, 71232, 73088, 90789, 95928, 109632, 121052, 127904, 142464, 181578, 191856, 211841, 219264, 242104, 255808, 363156, 383712, 423682, 484208, 511616, 635523, 726312, 767424, 847364, 968416, 1271046, 1452624, 1534848, 1694728, 1936832, 2542092, 2905248, 3389456, 3873664, 5084184, 5810496, 6778912, 10168368, 11620992, 13557824, 20336736, 27115648, 40673472, 81346944]

約数ペア:

[(1, 81346944), (2, 40673472), (3, 27115648), (4, 20336736), (6, 13557824), (7, 11620992), (8, 10168368), (12, 6778912), (14, 5810496), (16, 5084184), (21, 3873664), (24, 3389456), (28, 2905248), (32, 2542092), (42, 1936832), (48, 1694728), (53, 1534848), (56, 1452624), (64, 1271046), (84, 968416), (96, 847364), (106, 767424), (112, 726312), (128, 635523), (159, 511616), (168, 484208), (192, 423682), (212, 383712), (224, 363156), (318, 255808), (336, 242104), (371, 219264), (384, 211841), (424, 191856), (448, 181578), (571, 142464), (636, 127904), (672, 121052), (742, 109632), (848, 95928), (896, 90789), (1113, 73088), (1142, 71232), (1272, 63952), (1344, 60526), (1484, 54816), (1696, 47964), (1713, 47488), (2226, 36544), (2284, 35616), (2544, 31976), (2688, 30263), (2968, 27408), (3392, 23982), (3426, 23744), (3997, 20352), (4452, 18272), (4568, 17808), (5088, 15988), (5936, 13704), (6784, 11991), (6852, 11872), (7994, 10176), (8904, 9136)]