161740768

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 400755600

約数和(自身を除く): 239014832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 61, 76, 89, 98, 112, 122, 133, 152, 178, 196, 224, 244, 266, 304, 356, 392, 427, 488, 532, 608, 623, 712, 784, 854, 931, 976, 1064, 1159, 1246, 1424, 1568, 1691, 1708, 1862, 1952, 2128, 2318, 2492, 2848, 2989, 3382, 3416, 3724, 4256, 4361, 4636, 4984, 5429, 5978, 6764, 6832, 7448, 8113, 8722, 9272, 9968, 10858, 11837, 11956, 13528, 13664, 14896, 16226, 17444, 18544, 19936, 21716, 23674, 23912, 27056, 29792, 32452, 34888, 37088, 38003, 43432, 47348, 47824, 54112, 56791, 64904, 69776, 76006, 82859, 86864, 94696, 95648, 103151, 113582, 129808, 139552, 152012, 165718, 173728, 189392, 206302, 227164, 259616, 266021, 304024, 331436, 378784, 412604, 454328, 532042, 608048, 662872, 722057, 825208, 908656, 1064084, 1216096, 1325744, 1444114, 1650416, 1817312, 2128168, 2651488, 2888228, 3300832, 4256336, 5054399, 5776456, 8512672, 10108798, 11552912, 20217596, 23105824, 40435192, 80870384, 161740768]

約数ペア:

[(1, 161740768), (2, 80870384), (4, 40435192), (7, 23105824), (8, 20217596), (14, 11552912), (16, 10108798), (19, 8512672), (28, 5776456), (32, 5054399), (38, 4256336), (49, 3300832), (56, 2888228), (61, 2651488), (76, 2128168), (89, 1817312), (98, 1650416), (112, 1444114), (122, 1325744), (133, 1216096), (152, 1064084), (178, 908656), (196, 825208), (224, 722057), (244, 662872), (266, 608048), (304, 532042), (356, 454328), (392, 412604), (427, 378784), (488, 331436), (532, 304024), (608, 266021), (623, 259616), (712, 227164), (784, 206302), (854, 189392), (931, 173728), (976, 165718), (1064, 152012), (1159, 139552), (1246, 129808), (1424, 113582), (1568, 103151), (1691, 95648), (1708, 94696), (1862, 86864), (1952, 82859), (2128, 76006), (2318, 69776), (2492, 64904), (2848, 56791), (2989, 54112), (3382, 47824), (3416, 47348), (3724, 43432), (4256, 38003), (4361, 37088), (4636, 34888), (4984, 32452), (5429, 29792), (5978, 27056), (6764, 23912), (6832, 23674), (7448, 21716), (8113, 19936), (8722, 18544), (9272, 17444), (9968, 16226), (10858, 14896), (11837, 13664), (11956, 13528)]