168673720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1319}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 230494280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1319, 1390, 2638, 2780, 3197, 5276, 5560, 6394, 6595, 10552, 12788, 13190, 15985, 25576, 26380, 30337, 31970, 52760, 60674, 63940, 121348, 127880, 151685, 183341, 242696, 303370, 366682, 606740, 733364, 916705, 1213480, 1466728, 1833410, 3666820, 4216843, 7333640, 8433686, 16867372, 21084215, 33734744, 42168430, 84336860, 168673720]

約数ペア:

[(1, 168673720), (2, 84336860), (4, 42168430), (5, 33734744), (8, 21084215), (10, 16867372), (20, 8433686), (23, 7333640), (40, 4216843), (46, 3666820), (92, 1833410), (115, 1466728), (139, 1213480), (184, 916705), (230, 733364), (278, 606740), (460, 366682), (556, 303370), (695, 242696), (920, 183341), (1112, 151685), (1319, 127880), (1390, 121348), (2638, 63940), (2780, 60674), (3197, 52760), (5276, 31970), (5560, 30337), (6394, 26380), (6595, 25576), (10552, 15985), (12788, 13190)]