68540320

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4159}}^1$

素因数の和:4277

約数の個数: 48

約数和(自身を含む): 163537920

約数和(自身を除く): 94997600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 4159, 8240, 8318, 16480, 16636, 20795, 33272, 41590, 66544, 83180, 133088, 166360, 332720, 428377, 665440, 856754, 1713508, 2141885, 3427016, 4283770, 6854032, 8567540, 13708064, 17135080, 34270160, 68540320]

約数ペア:

[(1, 68540320), (2, 34270160), (4, 17135080), (5, 13708064), (8, 8567540), (10, 6854032), (16, 4283770), (20, 3427016), (32, 2141885), (40, 1713508), (80, 856754), (103, 665440), (160, 428377), (206, 332720), (412, 166360), (515, 133088), (824, 83180), (1030, 66544), (1648, 41590), (2060, 33272), (3296, 20795), (4120, 16636), (4159, 16480), (8240, 8318)]