28471520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2311}}^1$

素因数の和:2344

約数の個数: 96

約数和(自身を含む): 83897856

約数和(自身を除く): 55426336

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2311, 2464, 3080, 4622, 6160, 9244, 11555, 12320, 16177, 18488, 23110, 25421, 32354, 36976, 46220, 50842, 64708, 73952, 80885, 92440, 101684, 127105, 129416, 161770, 177947, 184880, 203368, 254210, 258832, 323540, 355894, 369760, 406736, 508420, 517664, 647080, 711788, 813472, 889735, 1016840, 1294160, 1423576, 1779470, 2033680, 2588320, 2847152, 3558940, 4067360, 5694304, 7117880, 14235760, 28471520]

約数ペア:

[(1, 28471520), (2, 14235760), (4, 7117880), (5, 5694304), (7, 4067360), (8, 3558940), (10, 2847152), (11, 2588320), (14, 2033680), (16, 1779470), (20, 1423576), (22, 1294160), (28, 1016840), (32, 889735), (35, 813472), (40, 711788), (44, 647080), (55, 517664), (56, 508420), (70, 406736), (77, 369760), (80, 355894), (88, 323540), (110, 258832), (112, 254210), (140, 203368), (154, 184880), (160, 177947), (176, 161770), (220, 129416), (224, 127105), (280, 101684), (308, 92440), (352, 80885), (385, 73952), (440, 64708), (560, 50842), (616, 46220), (770, 36976), (880, 32354), (1120, 25421), (1232, 23110), (1540, 18488), (1760, 16177), (2311, 12320), (2464, 11555), (3080, 9244), (4622, 6160)]