12912101920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1\times {\mathrm{1447}}^1$

素因数の和:2802

約数の個数: 96

約数和(自身を含む): 31259910528

約数和(自身を除く): 18347808608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1297, 1376, 1447, 1720, 2594, 2894, 3440, 5188, 5788, 6485, 6880, 7235, 10376, 11576, 12970, 14470, 20752, 23152, 25940, 28940, 41504, 46304, 51880, 55771, 57880, 62221, 103760, 111542, 115760, 124442, 207520, 223084, 231520, 248884, 278855, 311105, 446168, 497768, 557710, 622210, 892336, 995536, 1115420, 1244420, 1784672, 1876759, 1991072, 2230840, 2488840, 3753518, 4461680, 4977680, 7507036, 8923360, 9383795, 9955360, 15014072, 18767590, 30028144, 37535180, 60056288, 75070360, 80700637, 150140720, 161401274, 300281440, 322802548, 403503185, 645605096, 807006370, 1291210192, 1614012740, 2582420384, 3228025480, 6456050960, 12912101920]

約数ペア:

[(1, 12912101920), (2, 6456050960), (4, 3228025480), (5, 2582420384), (8, 1614012740), (10, 1291210192), (16, 807006370), (20, 645605096), (32, 403503185), (40, 322802548), (43, 300281440), (80, 161401274), (86, 150140720), (160, 80700637), (172, 75070360), (215, 60056288), (344, 37535180), (430, 30028144), (688, 18767590), (860, 15014072), (1297, 9955360), (1376, 9383795), (1447, 8923360), (1720, 7507036), (2594, 4977680), (2894, 4461680), (3440, 3753518), (5188, 2488840), (5788, 2230840), (6485, 1991072), (6880, 1876759), (7235, 1784672), (10376, 1244420), (11576, 1115420), (12970, 995536), (14470, 892336), (20752, 622210), (23152, 557710), (25940, 497768), (28940, 446168), (41504, 311105), (46304, 278855), (51880, 248884), (55771, 231520), (57880, 223084), (62221, 207520), (103760, 124442), (111542, 115760)]