140689280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 363307680

約数和(自身を除く): 222618400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 128, 134, 136, 160, 170, 193, 268, 272, 320, 335, 340, 386, 536, 544, 640, 670, 680, 772, 965, 1072, 1088, 1139, 1340, 1360, 1544, 1930, 2144, 2176, 2278, 2680, 2720, 3088, 3281, 3860, 4288, 4556, 5360, 5440, 5695, 6176, 6562, 7720, 8576, 9112, 10720, 10880, 11390, 12352, 12931, 13124, 15440, 16405, 18224, 21440, 22780, 24704, 25862, 26248, 30880, 32810, 36448, 42880, 45560, 51724, 52496, 61760, 64655, 65620, 72896, 91120, 103448, 104992, 123520, 129310, 131240, 145792, 182240, 206896, 209984, 219827, 258620, 262480, 364480, 413792, 419968, 439654, 517240, 524960, 728960, 827584, 879308, 1034480, 1049920, 1099135, 1655168, 1758616, 2068960, 2099840, 2198270, 3517232, 4137920, 4396540, 7034464, 8275840, 8793080, 14068928, 17586160, 28137856, 35172320, 70344640, 140689280]

約数ペア:

[(1, 140689280), (2, 70344640), (4, 35172320), (5, 28137856), (8, 17586160), (10, 14068928), (16, 8793080), (17, 8275840), (20, 7034464), (32, 4396540), (34, 4137920), (40, 3517232), (64, 2198270), (67, 2099840), (68, 2068960), (80, 1758616), (85, 1655168), (128, 1099135), (134, 1049920), (136, 1034480), (160, 879308), (170, 827584), (193, 728960), (268, 524960), (272, 517240), (320, 439654), (335, 419968), (340, 413792), (386, 364480), (536, 262480), (544, 258620), (640, 219827), (670, 209984), (680, 206896), (772, 182240), (965, 145792), (1072, 131240), (1088, 129310), (1139, 123520), (1340, 104992), (1360, 103448), (1544, 91120), (1930, 72896), (2144, 65620), (2176, 64655), (2278, 61760), (2680, 52496), (2720, 51724), (3088, 45560), (3281, 42880), (3860, 36448), (4288, 32810), (4556, 30880), (5360, 26248), (5440, 25862), (5695, 24704), (6176, 22780), (6562, 21440), (7720, 18224), (8576, 16405), (9112, 15440), (10720, 13124), (10880, 12931), (11390, 12352)]