31373280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21787}}^1$

素因数の和:21808

約数の個数: 72

約数和(自身を含む): 107066232

約数和(自身を除く): 75692952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21787, 43574, 65361, 87148, 108935, 130722, 174296, 196083, 217870, 261444, 326805, 348592, 392166, 435740, 522888, 653610, 697184, 784332, 871480, 980415, 1045776, 1307220, 1568664, 1742960, 1960830, 2091552, 2614440, 3137328, 3485920, 3921660, 5228880, 6274656, 7843320, 10457760, 15686640, 31373280]

約数ペア:

[(1, 31373280), (2, 15686640), (3, 10457760), (4, 7843320), (5, 6274656), (6, 5228880), (8, 3921660), (9, 3485920), (10, 3137328), (12, 2614440), (15, 2091552), (16, 1960830), (18, 1742960), (20, 1568664), (24, 1307220), (30, 1045776), (32, 980415), (36, 871480), (40, 784332), (45, 697184), (48, 653610), (60, 522888), (72, 435740), (80, 392166), (90, 348592), (96, 326805), (120, 261444), (144, 217870), (160, 196083), (180, 174296), (240, 130722), (288, 108935), (360, 87148), (480, 65361), (720, 43574), (1440, 21787)]