77942960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 193487616

約数和(自身を除く): 115544656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 223, 257, 272, 340, 446, 514, 680, 892, 1028, 1115, 1285, 1360, 1784, 2056, 2230, 2570, 3568, 3791, 4112, 4369, 4460, 5140, 7582, 8738, 8920, 10280, 15164, 17476, 17840, 18955, 20560, 21845, 30328, 34952, 37910, 43690, 57311, 60656, 69904, 75820, 87380, 114622, 151640, 174760, 229244, 286555, 303280, 349520, 458488, 573110, 916976, 974287, 1146220, 1948574, 2292440, 3897148, 4584880, 4871435, 7794296, 9742870, 15588592, 19485740, 38971480, 77942960]

約数ペア:

[(1, 77942960), (2, 38971480), (4, 19485740), (5, 15588592), (8, 9742870), (10, 7794296), (16, 4871435), (17, 4584880), (20, 3897148), (34, 2292440), (40, 1948574), (68, 1146220), (80, 974287), (85, 916976), (136, 573110), (170, 458488), (223, 349520), (257, 303280), (272, 286555), (340, 229244), (446, 174760), (514, 151640), (680, 114622), (892, 87380), (1028, 75820), (1115, 69904), (1285, 60656), (1360, 57311), (1784, 43690), (2056, 37910), (2230, 34952), (2570, 30328), (3568, 21845), (3791, 20560), (4112, 18955), (4369, 17840), (4460, 17476), (5140, 15164), (7582, 10280), (8738, 8920)]