15685735540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1\times {\mathrm{21767}}^1$

素因数の和:22176

約数の個数: 48

約数和(自身を含む): 33308174592

約数和(自身を除く): 17622439052

約数列:

[1, 2, 4, 5, 10, 20, 137, 263, 274, 526, 548, 685, 1052, 1315, 1370, 2630, 2740, 5260, 21767, 36031, 43534, 72062, 87068, 108835, 144124, 180155, 217670, 360310, 435340, 720620, 2982079, 5724721, 5964158, 11449442, 11928316, 14910395, 22898884, 28623605, 29820790, 57247210, 59641580, 114494420, 784286777, 1568573554, 3137147108, 3921433885, 7842867770, 15685735540]

約数ペア:

[(1, 15685735540), (2, 7842867770), (4, 3921433885), (5, 3137147108), (10, 1568573554), (20, 784286777), (137, 114494420), (263, 59641580), (274, 57247210), (526, 29820790), (548, 28623605), (685, 22898884), (1052, 14910395), (1315, 11928316), (1370, 11449442), (2630, 5964158), (2740, 5724721), (5260, 2982079), (21767, 720620), (36031, 435340), (43534, 360310), (72062, 217670), (87068, 180155), (108835, 144124)]