721295232

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 2294853120

約数和(自身を除く): 1573557888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 61, 64, 83, 84, 96, 106, 112, 122, 128, 159, 166, 168, 183, 192, 212, 224, 244, 249, 318, 332, 336, 366, 371, 384, 424, 427, 448, 488, 498, 581, 636, 664, 672, 732, 742, 848, 854, 896, 976, 996, 1113, 1162, 1272, 1281, 1328, 1344, 1464, 1484, 1696, 1708, 1743, 1952, 1992, 2226, 2324, 2544, 2562, 2656, 2688, 2928, 2968, 3233, 3392, 3416, 3486, 3904, 3984, 4399, 4452, 4648, 5063, 5088, 5124, 5312, 5856, 5936, 6466, 6784, 6832, 6972, 7808, 7968, 8798, 8904, 9296, 9699, 10126, 10176, 10248, 10624, 11712, 11872, 12932, 13197, 13664, 13944, 15189, 15936, 17596, 17808, 18592, 19398, 20252, 20352, 20496, 22631, 23424, 23744, 25864, 26394, 27328, 27888, 30378, 30793, 31872, 35192, 35441, 35616, 37184, 38796, 40504, 40992, 45262, 47488, 51728, 52788, 54656, 55776, 60756, 61586, 67893, 70384, 70882, 71232, 74368, 77592, 81008, 81984, 90524, 92379, 103456, 105576, 106323, 111552, 121512, 123172, 135786, 140768, 141764, 142464, 155184, 162016, 163968, 181048, 184758, 206912, 211152, 212646, 223104, 243024, 246344, 268339, 271572, 281536, 283528, 310368, 324032, 362096, 369516, 413824, 422304, 425292, 486048, 492688, 536678, 543144, 563072, 567056, 620736, 648064, 724192, 739032, 805017, 844608, 850584, 972096, 985376, 1073356, 1086288, 1134112, 1241472, 1448384, 1478064, 1610034, 1689216, 1701168, 1878373, 1944192, 1970752, 2146712, 2172576, 2268224, 2896768, 2956128, 3220068, 3402336, 3756746, 3941504, 4293424, 4345152, 4536448, 5635119, 5912256, 6440136, 6804672, 7513492, 8586848, 8690304, 11270238, 11824512, 12880272, 13609344, 15026984, 17173696, 22540476, 25760544, 30053968, 34347392, 45080952, 51521088, 60107936, 90161904, 103042176, 120215872, 180323808, 240431744, 360647616, 721295232]

約数ペア:

[(1, 721295232), (2, 360647616), (3, 240431744), (4, 180323808), (6, 120215872), (7, 103042176), (8, 90161904), (12, 60107936), (14, 51521088), (16, 45080952), (21, 34347392), (24, 30053968), (28, 25760544), (32, 22540476), (42, 17173696), (48, 15026984), (53, 13609344), (56, 12880272), (61, 11824512), (64, 11270238), (83, 8690304), (84, 8586848), (96, 7513492), (106, 6804672), (112, 6440136), (122, 5912256), (128, 5635119), (159, 4536448), (166, 4345152), (168, 4293424), (183, 3941504), (192, 3756746), (212, 3402336), (224, 3220068), (244, 2956128), (249, 2896768), (318, 2268224), (332, 2172576), (336, 2146712), (366, 1970752), (371, 1944192), (384, 1878373), (424, 1701168), (427, 1689216), (448, 1610034), (488, 1478064), (498, 1448384), (581, 1241472), (636, 1134112), (664, 1086288), (672, 1073356), (732, 985376), (742, 972096), (848, 850584), (854, 844608), (896, 805017), (976, 739032), (996, 724192), (1113, 648064), (1162, 620736), (1272, 567056), (1281, 563072), (1328, 543144), (1344, 536678), (1464, 492688), (1484, 486048), (1696, 425292), (1708, 422304), (1743, 413824), (1952, 369516), (1992, 362096), (2226, 324032), (2324, 310368), (2544, 283528), (2562, 281536), (2656, 271572), (2688, 268339), (2928, 246344), (2968, 243024), (3233, 223104), (3392, 212646), (3416, 211152), (3486, 206912), (3904, 184758), (3984, 181048), (4399, 163968), (4452, 162016), (4648, 155184), (5063, 142464), (5088, 141764), (5124, 140768), (5312, 135786), (5856, 123172), (5936, 121512), (6466, 111552), (6784, 106323), (6832, 105576), (6972, 103456), (7808, 92379), (7968, 90524), (8798, 81984), (8904, 81008), (9296, 77592), (9699, 74368), (10126, 71232), (10176, 70882), (10248, 70384), (10624, 67893), (11712, 61586), (11872, 60756), (12932, 55776), (13197, 54656), (13664, 52788), (13944, 51728), (15189, 47488), (15936, 45262), (17596, 40992), (17808, 40504), (18592, 38796), (19398, 37184), (20252, 35616), (20352, 35441), (20496, 35192), (22631, 31872), (23424, 30793), (23744, 30378), (25864, 27888), (26394, 27328)]