257701320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3709}}^1$

素因数の和:3919

約数の個数: 96

約数和(自身を含む): 842095800

約数和(自身を除く): 584394480

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, 360, 386, 579, 772, 965, 1158, 1544, 1737, 1930, 2316, 2895, 3474, 3709, 3860, 4632, 5790, 6948, 7418, 7720, 8685, 11127, 11580, 13896, 14836, 17370, 18545, 22254, 23160, 29672, 33381, 34740, 37090, 44508, 55635, 66762, 69480, 74180, 89016, 111270, 133524, 148360, 166905, 222540, 267048, 333810, 445080, 667620, 715837, 1335240, 1431674, 2147511, 2863348, 3579185, 4295022, 5726696, 6442533, 7158370, 8590044, 10737555, 12885066, 14316740, 17180088, 21475110, 25770132, 28633480, 32212665, 42950220, 51540264, 64425330, 85900440, 128850660, 257701320]

約数ペア:

[(1, 257701320), (2, 128850660), (3, 85900440), (4, 64425330), (5, 51540264), (6, 42950220), (8, 32212665), (9, 28633480), (10, 25770132), (12, 21475110), (15, 17180088), (18, 14316740), (20, 12885066), (24, 10737555), (30, 8590044), (36, 7158370), (40, 6442533), (45, 5726696), (60, 4295022), (72, 3579185), (90, 2863348), (120, 2147511), (180, 1431674), (193, 1335240), (360, 715837), (386, 667620), (579, 445080), (772, 333810), (965, 267048), (1158, 222540), (1544, 166905), (1737, 148360), (1930, 133524), (2316, 111270), (2895, 89016), (3474, 74180), (3709, 69480), (3860, 66762), (4632, 55635), (5790, 44508), (6948, 37090), (7418, 34740), (7720, 33381), (8685, 29672), (11127, 23160), (11580, 22254), (13896, 18545), (14836, 17370)]