81213957888

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{11299}}^1$

素因数の和:11523

約数の個数: 216

約数和(自身を含む): 252775756800

約数和(自身を除く): 171561798912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 191, 192, 196, 224, 256, 294, 336, 382, 384, 392, 448, 573, 588, 672, 764, 768, 784, 896, 1146, 1176, 1337, 1344, 1528, 1568, 1792, 2292, 2352, 2674, 2688, 3056, 3136, 4011, 4584, 4704, 5348, 5376, 6112, 6272, 8022, 9168, 9359, 9408, 10696, 11299, 12224, 12544, 16044, 18336, 18718, 18816, 21392, 22598, 24448, 28077, 32088, 33897, 36672, 37436, 37632, 42784, 45196, 48896, 56154, 64176, 67794, 73344, 74872, 79093, 85568, 90392, 112308, 128352, 135588, 146688, 149744, 158186, 171136, 180784, 224616, 237279, 256704, 271176, 299488, 316372, 342272, 361568, 449232, 474558, 513408, 542352, 553651, 598976, 632744, 723136, 898464, 949116, 1026816, 1084704, 1107302, 1197952, 1265488, 1446272, 1660953, 1796928, 1898232, 2158109, 2169408, 2214604, 2395904, 2530976, 2892544, 3321906, 3593856, 3796464, 4316218, 4338816, 4429208, 5061952, 6474327, 6643812, 7187712, 7592928, 8632436, 8677632, 8858416, 10123904, 12948654, 13287624, 15106763, 15185856, 17264872, 17716832, 20247808, 25897308, 26575248, 30213526, 30371712, 34529744, 35433664, 45320289, 51794616, 53150496, 60427052, 60743424, 69059488, 70867328, 90640578, 103589232, 105747341, 106300992, 120854104, 138118976, 141734656, 181281156, 207178464, 211494682, 212601984, 241708208, 276237952, 317242023, 362562312, 414356928, 422989364, 425203968, 483416416, 552475904, 634484046, 725124624, 828713856, 845978728, 966832832, 1268968092, 1450249248, 1657427712, 1691957456, 1933665664, 2537936184, 2900498496, 3383914912, 3867331328, 5075872368, 5800996992, 6767829824, 10151744736, 11601993984, 13535659648, 20303489472, 27071319296, 40606978944, 81213957888]

約数ペア:

[(1, 81213957888), (2, 40606978944), (3, 27071319296), (4, 20303489472), (6, 13535659648), (7, 11601993984), (8, 10151744736), (12, 6767829824), (14, 5800996992), (16, 5075872368), (21, 3867331328), (24, 3383914912), (28, 2900498496), (32, 2537936184), (42, 1933665664), (48, 1691957456), (49, 1657427712), (56, 1450249248), (64, 1268968092), (84, 966832832), (96, 845978728), (98, 828713856), (112, 725124624), (128, 634484046), (147, 552475904), (168, 483416416), (191, 425203968), (192, 422989364), (196, 414356928), (224, 362562312), (256, 317242023), (294, 276237952), (336, 241708208), (382, 212601984), (384, 211494682), (392, 207178464), (448, 181281156), (573, 141734656), (588, 138118976), (672, 120854104), (764, 106300992), (768, 105747341), (784, 103589232), (896, 90640578), (1146, 70867328), (1176, 69059488), (1337, 60743424), (1344, 60427052), (1528, 53150496), (1568, 51794616), (1792, 45320289), (2292, 35433664), (2352, 34529744), (2674, 30371712), (2688, 30213526), (3056, 26575248), (3136, 25897308), (4011, 20247808), (4584, 17716832), (4704, 17264872), (5348, 15185856), (5376, 15106763), (6112, 13287624), (6272, 12948654), (8022, 10123904), (9168, 8858416), (9359, 8677632), (9408, 8632436), (10696, 7592928), (11299, 7187712), (12224, 6643812), (12544, 6474327), (16044, 5061952), (18336, 4429208), (18718, 4338816), (18816, 4316218), (21392, 3796464), (22598, 3593856), (24448, 3321906), (28077, 2892544), (32088, 2530976), (33897, 2395904), (36672, 2214604), (37436, 2169408), (37632, 2158109), (42784, 1898232), (45196, 1796928), (48896, 1660953), (56154, 1446272), (64176, 1265488), (67794, 1197952), (73344, 1107302), (74872, 1084704), (79093, 1026816), (85568, 949116), (90392, 898464), (112308, 723136), (128352, 632744), (135588, 598976), (146688, 553651), (149744, 542352), (158186, 513408), (171136, 474558), (180784, 449232), (224616, 361568), (237279, 342272), (256704, 316372), (271176, 299488)]