77985760

素因数分解:

$2^5\times 5^1\times {\mathrm{601}}^1\times {\mathrm{811}}^1$

素因数の和:1427

約数の個数: 48

約数和(自身を含む): 184775472

約数和(自身を除く): 106789712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 601, 811, 1202, 1622, 2404, 3005, 3244, 4055, 4808, 6010, 6488, 8110, 9616, 12020, 12976, 16220, 19232, 24040, 25952, 32440, 48080, 64880, 96160, 129760, 487411, 974822, 1949644, 2437055, 3899288, 4874110, 7798576, 9748220, 15597152, 19496440, 38992880, 77985760]

約数ペア:

[(1, 77985760), (2, 38992880), (4, 19496440), (5, 15597152), (8, 9748220), (10, 7798576), (16, 4874110), (20, 3899288), (32, 2437055), (40, 1949644), (80, 974822), (160, 487411), (601, 129760), (811, 96160), (1202, 64880), (1622, 48080), (2404, 32440), (3005, 25952), (3244, 24040), (4055, 19232), (4808, 16220), (6010, 12976), (6488, 12020), (8110, 9616)]