19408080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 60621120

約数和(自身を除く): 41213040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 419, 579, 772, 838, 965, 1158, 1257, 1544, 1676, 1930, 2095, 2316, 2514, 2895, 3088, 3352, 3860, 4190, 4632, 5028, 5790, 6285, 6704, 7720, 8380, 9264, 10056, 11580, 12570, 15440, 16760, 20112, 23160, 25140, 33520, 46320, 50280, 80867, 100560, 161734, 242601, 323468, 404335, 485202, 646936, 808670, 970404, 1213005, 1293872, 1617340, 1940808, 2426010, 3234680, 3881616, 4852020, 6469360, 9704040, 19408080]

約数ペア:

[(1, 19408080), (2, 9704040), (3, 6469360), (4, 4852020), (5, 3881616), (6, 3234680), (8, 2426010), (10, 1940808), (12, 1617340), (15, 1293872), (16, 1213005), (20, 970404), (24, 808670), (30, 646936), (40, 485202), (48, 404335), (60, 323468), (80, 242601), (120, 161734), (193, 100560), (240, 80867), (386, 50280), (419, 46320), (579, 33520), (772, 25140), (838, 23160), (965, 20112), (1158, 16760), (1257, 15440), (1544, 12570), (1676, 11580), (1930, 10056), (2095, 9264), (2316, 8380), (2514, 7720), (2895, 6704), (3088, 6285), (3352, 5790), (3860, 5028), (4190, 4632)]