129711440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 314075136

約数和(自身を除く): 184363696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 193, 248, 271, 310, 386, 496, 542, 620, 772, 965, 1084, 1240, 1355, 1544, 1930, 2168, 2480, 2710, 3088, 3860, 4336, 5420, 5983, 7720, 8401, 10840, 11966, 15440, 16802, 21680, 23932, 29915, 33604, 42005, 47864, 52303, 59830, 67208, 84010, 95728, 104606, 119660, 134416, 168020, 209212, 239320, 261515, 336040, 418424, 478640, 523030, 672080, 836848, 1046060, 1621393, 2092120, 3242786, 4184240, 6485572, 8106965, 12971144, 16213930, 25942288, 32427860, 64855720, 129711440]

約数ペア:

[(1, 129711440), (2, 64855720), (4, 32427860), (5, 25942288), (8, 16213930), (10, 12971144), (16, 8106965), (20, 6485572), (31, 4184240), (40, 3242786), (62, 2092120), (80, 1621393), (124, 1046060), (155, 836848), (193, 672080), (248, 523030), (271, 478640), (310, 418424), (386, 336040), (496, 261515), (542, 239320), (620, 209212), (772, 168020), (965, 134416), (1084, 119660), (1240, 104606), (1355, 95728), (1544, 84010), (1930, 67208), (2168, 59830), (2480, 52303), (2710, 47864), (3088, 42005), (3860, 33604), (4336, 29915), (5420, 23932), (5983, 21680), (7720, 16802), (8401, 15440), (10840, 11966)]