1681237376

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 256

約数和(自身を含む): 4375848960

約数和(自身を除く): 2694611584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 47, 52, 56, 64, 74, 83, 91, 94, 104, 112, 128, 148, 166, 182, 188, 208, 224, 259, 296, 329, 332, 364, 376, 416, 448, 481, 518, 581, 592, 611, 658, 664, 728, 752, 832, 896, 962, 1036, 1079, 1162, 1184, 1222, 1316, 1328, 1456, 1504, 1664, 1739, 1924, 2072, 2158, 2324, 2368, 2444, 2632, 2656, 2912, 3008, 3071, 3367, 3478, 3848, 3901, 4144, 4277, 4316, 4648, 4736, 4888, 5264, 5312, 5824, 6016, 6142, 6734, 6956, 7553, 7696, 7802, 8288, 8554, 8632, 9296, 9776, 10528, 10624, 11648, 12173, 12284, 13468, 13912, 15106, 15392, 15604, 16576, 17108, 17264, 18592, 19552, 21056, 21497, 22607, 24346, 24568, 26936, 27307, 27824, 30212, 30784, 31208, 33152, 34216, 34528, 37184, 39104, 39923, 42112, 42994, 45214, 48692, 49136, 50713, 53872, 54614, 55648, 60424, 61568, 62416, 68432, 69056, 74368, 78208, 79846, 85988, 90428, 97384, 98272, 101426, 107744, 109228, 111296, 120848, 124832, 136864, 138112, 144337, 158249, 159692, 171976, 180856, 194768, 196544, 202852, 215488, 218456, 222592, 241696, 249664, 273728, 279461, 288674, 316498, 319384, 343952, 354991, 361712, 389536, 393088, 405704, 430976, 436912, 483392, 499328, 547456, 558922, 577348, 632996, 638768, 687904, 709982, 723424, 779072, 811408, 873824, 966784, 1010359, 1117844, 1154696, 1265992, 1277536, 1375808, 1419964, 1446848, 1558144, 1622816, 1747648, 1876381, 2020718, 2235688, 2309392, 2531984, 2555072, 2751616, 2839928, 2893696, 3245632, 3495296, 3752762, 4041436, 4471376, 4618784, 5063968, 5110144, 5679856, 6491264, 7505524, 8082872, 8942752, 9237568, 10127936, 11359712, 13134667, 15011048, 16165744, 17885504, 18475136, 20255872, 22719424, 26269334, 30022096, 32331488, 35771008, 45438848, 52538668, 60044192, 64662976, 105077336, 120088384, 129325952, 210154672, 240176768, 420309344, 840618688, 1681237376]

約数ペア:

[(1, 1681237376), (2, 840618688), (4, 420309344), (7, 240176768), (8, 210154672), (13, 129325952), (14, 120088384), (16, 105077336), (26, 64662976), (28, 60044192), (32, 52538668), (37, 45438848), (47, 35771008), (52, 32331488), (56, 30022096), (64, 26269334), (74, 22719424), (83, 20255872), (91, 18475136), (94, 17885504), (104, 16165744), (112, 15011048), (128, 13134667), (148, 11359712), (166, 10127936), (182, 9237568), (188, 8942752), (208, 8082872), (224, 7505524), (259, 6491264), (296, 5679856), (329, 5110144), (332, 5063968), (364, 4618784), (376, 4471376), (416, 4041436), (448, 3752762), (481, 3495296), (518, 3245632), (581, 2893696), (592, 2839928), (611, 2751616), (658, 2555072), (664, 2531984), (728, 2309392), (752, 2235688), (832, 2020718), (896, 1876381), (962, 1747648), (1036, 1622816), (1079, 1558144), (1162, 1446848), (1184, 1419964), (1222, 1375808), (1316, 1277536), (1328, 1265992), (1456, 1154696), (1504, 1117844), (1664, 1010359), (1739, 966784), (1924, 873824), (2072, 811408), (2158, 779072), (2324, 723424), (2368, 709982), (2444, 687904), (2632, 638768), (2656, 632996), (2912, 577348), (3008, 558922), (3071, 547456), (3367, 499328), (3478, 483392), (3848, 436912), (3901, 430976), (4144, 405704), (4277, 393088), (4316, 389536), (4648, 361712), (4736, 354991), (4888, 343952), (5264, 319384), (5312, 316498), (5824, 288674), (6016, 279461), (6142, 273728), (6734, 249664), (6956, 241696), (7553, 222592), (7696, 218456), (7802, 215488), (8288, 202852), (8554, 196544), (8632, 194768), (9296, 180856), (9776, 171976), (10528, 159692), (10624, 158249), (11648, 144337), (12173, 138112), (12284, 136864), (13468, 124832), (13912, 120848), (15106, 111296), (15392, 109228), (15604, 107744), (16576, 101426), (17108, 98272), (17264, 97384), (18592, 90428), (19552, 85988), (21056, 79846), (21497, 78208), (22607, 74368), (24346, 69056), (24568, 68432), (26936, 62416), (27307, 61568), (27824, 60424), (30212, 55648), (30784, 54614), (31208, 53872), (33152, 50713), (34216, 49136), (34528, 48692), (37184, 45214), (39104, 42994), (39923, 42112)]