About the Number

131280768

131280767 ← → 131280769

2進数表記:111110100110010111110000000

漢数字表記:一億三千百二十八万七百六十八

素因数分解:

2 7 × 3 2 × 83 1 × 1373 1

素因数の和:1476
約数の個数: 96
約数和(自身を含む): 382604040
約数和(自身を除く): 251323272

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 83, 96, 128, 144, 166, 192, 249, 288, 332, 384, 498, 576, 664, 747, 996, 1152, 1328, 1373, 1494, 1992, 2656, 2746, 2988, 3984, 4119, 5312, 5492, 5976, 7968, 8238, 10624, 10984, 11952, 12357, 15936, 16476, 21968, 23904, 24714, 31872, 32952, 43936, 47808, 49428, 65904, 87872, 95616, 98856, 113959, 131808, 175744, 197712, 227918, 263616, 341877, 395424, 455836, 527232, 683754, 790848, 911672, 1025631, 1367508, 1581696, 1823344, 2051262, 2735016, 3646688, 4102524, 5470032, 7293376, 8205048, 10940064, 14586752, 16410096, 21880128, 32820192, 43760256, 65640384, 131280768]

約数ペア:
[(1, 131280768), (2, 65640384), (3, 43760256), (4, 32820192), (6, 21880128), (8, 16410096), (9, 14586752), (12, 10940064), (16, 8205048), (18, 7293376), (24, 5470032), (32, 4102524), (36, 3646688), (48, 2735016), (64, 2051262), (72, 1823344), (83, 1581696), (96, 1367508), (128, 1025631), (144, 911672), (166, 790848), (192, 683754), (249, 527232), (288, 455836), (332, 395424), (384, 341877), (498, 263616), (576, 227918), (664, 197712), (747, 175744), (996, 131808), (1152, 113959), (1328, 98856), (1373, 95616), (1494, 87872), (1992, 65904), (2656, 49428), (2746, 47808), (2988, 43936), (3984, 32952), (4119, 31872), (5312, 24714), (5492, 23904), (5976, 21968), (7968, 16476), (8238, 15936), (10624, 12357), (10984, 11952)]

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