163447840

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 398926080

約数和(自身を除く): 235478240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 79, 80, 134, 158, 160, 193, 268, 316, 335, 386, 395, 536, 632, 670, 772, 790, 965, 1072, 1264, 1340, 1544, 1580, 1930, 2144, 2528, 2680, 3088, 3160, 3860, 5293, 5360, 6176, 6320, 7720, 10586, 10720, 12640, 12931, 15247, 15440, 21172, 25862, 26465, 30494, 30880, 42344, 51724, 52930, 60988, 64655, 76235, 84688, 103448, 105860, 121976, 129310, 152470, 169376, 206896, 211720, 243952, 258620, 304940, 413792, 423440, 487904, 517240, 609880, 846880, 1021549, 1034480, 1219760, 2043098, 2068960, 2439520, 4086196, 5107745, 8172392, 10215490, 16344784, 20430980, 32689568, 40861960, 81723920, 163447840]

約数ペア:

[(1, 163447840), (2, 81723920), (4, 40861960), (5, 32689568), (8, 20430980), (10, 16344784), (16, 10215490), (20, 8172392), (32, 5107745), (40, 4086196), (67, 2439520), (79, 2068960), (80, 2043098), (134, 1219760), (158, 1034480), (160, 1021549), (193, 846880), (268, 609880), (316, 517240), (335, 487904), (386, 423440), (395, 413792), (536, 304940), (632, 258620), (670, 243952), (772, 211720), (790, 206896), (965, 169376), (1072, 152470), (1264, 129310), (1340, 121976), (1544, 105860), (1580, 103448), (1930, 84688), (2144, 76235), (2528, 64655), (2680, 60988), (3088, 52930), (3160, 51724), (3860, 42344), (5293, 30880), (5360, 30494), (6176, 26465), (6320, 25862), (7720, 21172), (10586, 15440), (10720, 15247), (12640, 12931)]