6400240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 18570240

約数和(自身を除く): 12170000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1039, 1232, 1540, 2078, 3080, 4156, 5195, 6160, 7273, 8312, 10390, 11429, 14546, 16624, 20780, 22858, 29092, 36365, 41560, 45716, 57145, 58184, 72730, 80003, 83120, 91432, 114290, 116368, 145460, 160006, 182864, 228580, 290920, 320012, 400015, 457160, 581840, 640024, 800030, 914320, 1280048, 1600060, 3200120, 6400240]

約数ペア:

[(1, 6400240), (2, 3200120), (4, 1600060), (5, 1280048), (7, 914320), (8, 800030), (10, 640024), (11, 581840), (14, 457160), (16, 400015), (20, 320012), (22, 290920), (28, 228580), (35, 182864), (40, 160006), (44, 145460), (55, 116368), (56, 114290), (70, 91432), (77, 83120), (80, 80003), (88, 72730), (110, 58184), (112, 57145), (140, 45716), (154, 41560), (176, 36365), (220, 29092), (280, 22858), (308, 20780), (385, 16624), (440, 14546), (560, 11429), (616, 10390), (770, 8312), (880, 7273), (1039, 6160), (1232, 5195), (1540, 4156), (2078, 3080)]