687316128

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 1967099904

約数和(自身を除く): 1279783776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 43, 48, 62, 82, 86, 93, 96, 123, 124, 129, 131, 164, 172, 186, 246, 248, 258, 262, 328, 344, 372, 393, 492, 496, 516, 524, 656, 688, 744, 786, 984, 992, 1032, 1048, 1271, 1312, 1333, 1376, 1488, 1572, 1763, 1968, 2064, 2096, 2542, 2666, 2976, 3144, 3526, 3813, 3936, 3999, 4061, 4128, 4192, 5084, 5289, 5332, 5371, 5633, 6288, 7052, 7626, 7998, 8122, 10168, 10578, 10664, 10742, 11266, 12183, 12576, 14104, 15252, 15996, 16113, 16244, 16899, 20336, 21156, 21328, 21484, 22532, 24366, 28208, 30504, 31992, 32226, 32488, 33798, 40672, 42312, 42656, 42968, 45064, 48732, 54653, 56416, 61008, 63984, 64452, 64976, 67596, 84624, 85936, 90128, 97464, 109306, 122016, 127968, 128904, 129952, 135192, 163959, 166501, 169248, 171872, 174623, 180256, 194928, 218612, 230953, 257808, 270384, 327918, 333002, 349246, 389856, 437224, 461906, 499503, 515616, 523869, 540768, 655836, 666004, 692859, 698492, 874448, 923812, 999006, 1047738, 1311672, 1332008, 1385718, 1396984, 1748896, 1847624, 1998012, 2095476, 2623344, 2664016, 2771436, 2793968, 3695248, 3996024, 4190952, 5246688, 5328032, 5542872, 5587936, 7159543, 7390496, 7992048, 8381904, 11085744, 14319086, 15984096, 16763808, 21478629, 22171488, 28638172, 42957258, 57276344, 85914516, 114552688, 171829032, 229105376, 343658064, 687316128]

約数ペア:

[(1, 687316128), (2, 343658064), (3, 229105376), (4, 171829032), (6, 114552688), (8, 85914516), (12, 57276344), (16, 42957258), (24, 28638172), (31, 22171488), (32, 21478629), (41, 16763808), (43, 15984096), (48, 14319086), (62, 11085744), (82, 8381904), (86, 7992048), (93, 7390496), (96, 7159543), (123, 5587936), (124, 5542872), (129, 5328032), (131, 5246688), (164, 4190952), (172, 3996024), (186, 3695248), (246, 2793968), (248, 2771436), (258, 2664016), (262, 2623344), (328, 2095476), (344, 1998012), (372, 1847624), (393, 1748896), (492, 1396984), (496, 1385718), (516, 1332008), (524, 1311672), (656, 1047738), (688, 999006), (744, 923812), (786, 874448), (984, 698492), (992, 692859), (1032, 666004), (1048, 655836), (1271, 540768), (1312, 523869), (1333, 515616), (1376, 499503), (1488, 461906), (1572, 437224), (1763, 389856), (1968, 349246), (2064, 333002), (2096, 327918), (2542, 270384), (2666, 257808), (2976, 230953), (3144, 218612), (3526, 194928), (3813, 180256), (3936, 174623), (3999, 171872), (4061, 169248), (4128, 166501), (4192, 163959), (5084, 135192), (5289, 129952), (5332, 128904), (5371, 127968), (5633, 122016), (6288, 109306), (7052, 97464), (7626, 90128), (7998, 85936), (8122, 84624), (10168, 67596), (10578, 64976), (10664, 64452), (10742, 63984), (11266, 61008), (12183, 56416), (12576, 54653), (14104, 48732), (15252, 45064), (15996, 42968), (16113, 42656), (16244, 42312), (16899, 40672), (20336, 33798), (21156, 32488), (21328, 32226), (21484, 31992), (22532, 30504), (24366, 28208)]