19697760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13679}}^1$

素因数の和:13700

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 47525760

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, 13679, 27358, 41037, 54716, 68395, 82074, 109432, 123111, 136790, 164148, 205185, 218864, 246222, 273580, 328296, 410370, 437728, 492444, 547160, 615555, 656592, 820740, 984888, 1094320, 1231110, 1313184, 1641480, 1969776, 2188640, 2462220, 3282960, 3939552, 4924440, 6565920, 9848880, 19697760]

約数ペア:

[(1, 19697760), (2, 9848880), (3, 6565920), (4, 4924440), (5, 3939552), (6, 3282960), (8, 2462220), (9, 2188640), (10, 1969776), (12, 1641480), (15, 1313184), (16, 1231110), (18, 1094320), (20, 984888), (24, 820740), (30, 656592), (32, 615555), (36, 547160), (40, 492444), (45, 437728), (48, 410370), (60, 328296), (72, 273580), (80, 246222), (90, 218864), (96, 205185), (120, 164148), (144, 136790), (160, 123111), (180, 109432), (240, 82074), (288, 68395), (360, 54716), (480, 41037), (720, 27358), (1440, 13679)]