16605720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 54475200

約数和(自身を除く): 37869480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 193, 239, 360, 386, 478, 579, 717, 772, 956, 965, 1158, 1195, 1434, 1544, 1737, 1912, 1930, 2151, 2316, 2390, 2868, 2895, 3474, 3585, 3860, 4302, 4632, 4780, 5736, 5790, 6948, 7170, 7720, 8604, 8685, 9560, 10755, 11580, 13896, 14340, 17208, 17370, 21510, 23160, 28680, 34740, 43020, 46127, 69480, 86040, 92254, 138381, 184508, 230635, 276762, 369016, 415143, 461270, 553524, 691905, 830286, 922540, 1107048, 1383810, 1660572, 1845080, 2075715, 2767620, 3321144, 4151430, 5535240, 8302860, 16605720]

約数ペア:

[(1, 16605720), (2, 8302860), (3, 5535240), (4, 4151430), (5, 3321144), (6, 2767620), (8, 2075715), (9, 1845080), (10, 1660572), (12, 1383810), (15, 1107048), (18, 922540), (20, 830286), (24, 691905), (30, 553524), (36, 461270), (40, 415143), (45, 369016), (60, 276762), (72, 230635), (90, 184508), (120, 138381), (180, 92254), (193, 86040), (239, 69480), (360, 46127), (386, 43020), (478, 34740), (579, 28680), (717, 23160), (772, 21510), (956, 17370), (965, 17208), (1158, 14340), (1195, 13896), (1434, 11580), (1544, 10755), (1737, 9560), (1912, 8685), (1930, 8604), (2151, 7720), (2316, 7170), (2390, 6948), (2868, 5790), (2895, 5736), (3474, 4780), (3585, 4632), (3860, 4302)]