77616880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 198317664

約数和(自身を除く): 120700784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 193, 220, 386, 440, 457, 772, 880, 914, 965, 1544, 1828, 1930, 2123, 2285, 3088, 3656, 3860, 4246, 4570, 5027, 7312, 7720, 8492, 9140, 10054, 10615, 15440, 16984, 18280, 20108, 21230, 25135, 33968, 36560, 40216, 42460, 50270, 80432, 84920, 88201, 100540, 169840, 176402, 201080, 352804, 402160, 441005, 705608, 882010, 970211, 1411216, 1764020, 1940422, 3528040, 3880844, 4851055, 7056080, 7761688, 9702110, 15523376, 19404220, 38808440, 77616880]

約数ペア:

[(1, 77616880), (2, 38808440), (4, 19404220), (5, 15523376), (8, 9702110), (10, 7761688), (11, 7056080), (16, 4851055), (20, 3880844), (22, 3528040), (40, 1940422), (44, 1764020), (55, 1411216), (80, 970211), (88, 882010), (110, 705608), (176, 441005), (193, 402160), (220, 352804), (386, 201080), (440, 176402), (457, 169840), (772, 100540), (880, 88201), (914, 84920), (965, 80432), (1544, 50270), (1828, 42460), (1930, 40216), (2123, 36560), (2285, 33968), (3088, 25135), (3656, 21230), (3860, 20108), (4246, 18280), (4570, 16984), (5027, 15440), (7312, 10615), (7720, 10054), (8492, 9140)]