72168448

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 88

約数和(自身を含む): 162122400

約数和(自身を除く): 89953952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 149, 172, 176, 256, 298, 344, 352, 473, 512, 596, 688, 704, 946, 1024, 1192, 1376, 1408, 1639, 1892, 2384, 2752, 2816, 3278, 3784, 4768, 5504, 5632, 6407, 6556, 7568, 9536, 11008, 11264, 12814, 13112, 15136, 19072, 22016, 25628, 26224, 30272, 38144, 44032, 51256, 52448, 60544, 70477, 76288, 102512, 104896, 121088, 140954, 152576, 205024, 209792, 242176, 281908, 410048, 419584, 484352, 563816, 820096, 839168, 1127632, 1640192, 1678336, 2255264, 3280384, 4510528, 6560768, 9021056, 18042112, 36084224, 72168448]

約数ペア:

[(1, 72168448), (2, 36084224), (4, 18042112), (8, 9021056), (11, 6560768), (16, 4510528), (22, 3280384), (32, 2255264), (43, 1678336), (44, 1640192), (64, 1127632), (86, 839168), (88, 820096), (128, 563816), (149, 484352), (172, 419584), (176, 410048), (256, 281908), (298, 242176), (344, 209792), (352, 205024), (473, 152576), (512, 140954), (596, 121088), (688, 104896), (704, 102512), (946, 76288), (1024, 70477), (1192, 60544), (1376, 52448), (1408, 51256), (1639, 44032), (1892, 38144), (2384, 30272), (2752, 26224), (2816, 25628), (3278, 22016), (3784, 19072), (4768, 15136), (5504, 13112), (5632, 12814), (6407, 11264), (6556, 11008), (7568, 9536)]