209049840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290347}}^1$

素因数の和:290366

約数の個数: 60

約数和(自身を含む): 702061464

約数和(自身を除く): 493011624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290347, 580694, 871041, 1161388, 1451735, 1742082, 2322776, 2613123, 2903470, 3484164, 4355205, 4645552, 5226246, 5806940, 6968328, 8710410, 10452492, 11613880, 13065615, 13936656, 17420820, 20904984, 23227760, 26131230, 34841640, 41809968, 52262460, 69683280, 104524920, 209049840]

約数ペア:

[(1, 209049840), (2, 104524920), (3, 69683280), (4, 52262460), (5, 41809968), (6, 34841640), (8, 26131230), (9, 23227760), (10, 20904984), (12, 17420820), (15, 13936656), (16, 13065615), (18, 11613880), (20, 10452492), (24, 8710410), (30, 6968328), (36, 5806940), (40, 5226246), (45, 4645552), (48, 4355205), (60, 3484164), (72, 2903470), (80, 2613123), (90, 2322776), (120, 1742082), (144, 1451735), (180, 1161388), (240, 871041), (360, 580694), (720, 290347)]