77896840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 210562560

約数和(自身を除く): 132665720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 73, 74, 103, 140, 146, 148, 185, 206, 259, 280, 292, 296, 365, 370, 412, 511, 515, 518, 584, 721, 730, 740, 824, 1022, 1030, 1036, 1295, 1442, 1460, 1480, 2044, 2060, 2072, 2555, 2590, 2701, 2884, 2920, 3605, 3811, 4088, 4120, 5110, 5180, 5402, 5768, 7210, 7519, 7622, 10220, 10360, 10804, 13505, 14420, 15038, 15244, 18907, 19055, 20440, 21608, 26677, 27010, 28840, 30076, 30488, 37595, 37814, 38110, 52633, 53354, 54020, 60152, 75190, 75628, 76220, 94535, 105266, 106708, 108040, 133385, 150380, 151256, 152440, 189070, 210532, 213416, 263165, 266770, 278203, 300760, 378140, 421064, 526330, 533540, 556406, 756280, 1052660, 1067080, 1112812, 1391015, 1947421, 2105320, 2225624, 2782030, 3894842, 5564060, 7789684, 9737105, 11128120, 15579368, 19474210, 38948420, 77896840]

約数ペア:

[(1, 77896840), (2, 38948420), (4, 19474210), (5, 15579368), (7, 11128120), (8, 9737105), (10, 7789684), (14, 5564060), (20, 3894842), (28, 2782030), (35, 2225624), (37, 2105320), (40, 1947421), (56, 1391015), (70, 1112812), (73, 1067080), (74, 1052660), (103, 756280), (140, 556406), (146, 533540), (148, 526330), (185, 421064), (206, 378140), (259, 300760), (280, 278203), (292, 266770), (296, 263165), (365, 213416), (370, 210532), (412, 189070), (511, 152440), (515, 151256), (518, 150380), (584, 133385), (721, 108040), (730, 106708), (740, 105266), (824, 94535), (1022, 76220), (1030, 75628), (1036, 75190), (1295, 60152), (1442, 54020), (1460, 53354), (1480, 52633), (2044, 38110), (2060, 37814), (2072, 37595), (2555, 30488), (2590, 30076), (2701, 28840), (2884, 27010), (2920, 26677), (3605, 21608), (3811, 20440), (4088, 19055), (4120, 18907), (5110, 15244), (5180, 15038), (5402, 14420), (5768, 13505), (7210, 10804), (7519, 10360), (7622, 10220)]