72171008

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1587

約数の個数: 80

約数和(自身を含む): 177592800

約数和(自身を除く): 105421792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1549, 1664, 1792, 2912, 3098, 3328, 3584, 5824, 6196, 6656, 10843, 11648, 12392, 20137, 21686, 23296, 24784, 40274, 43372, 46592, 49568, 80548, 86744, 99136, 140959, 161096, 173488, 198272, 281918, 322192, 346976, 396544, 563836, 644384, 693952, 793088, 1127672, 1288768, 1387904, 2255344, 2577536, 2775808, 4510688, 5155072, 5551616, 9021376, 10310144, 18042752, 36085504, 72171008]

約数ペア:

[(1, 72171008), (2, 36085504), (4, 18042752), (7, 10310144), (8, 9021376), (13, 5551616), (14, 5155072), (16, 4510688), (26, 2775808), (28, 2577536), (32, 2255344), (52, 1387904), (56, 1288768), (64, 1127672), (91, 793088), (104, 693952), (112, 644384), (128, 563836), (182, 396544), (208, 346976), (224, 322192), (256, 281918), (364, 198272), (416, 173488), (448, 161096), (512, 140959), (728, 99136), (832, 86744), (896, 80548), (1456, 49568), (1549, 46592), (1664, 43372), (1792, 40274), (2912, 24784), (3098, 23296), (3328, 21686), (3584, 20137), (5824, 12392), (6196, 11648), (6656, 10843)]