1915760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 5571072

約数和(自身を除く): 3655312

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, 311, 385, 440, 560, 616, 622, 770, 880, 1232, 1244, 1540, 1555, 2177, 2488, 3080, 3110, 3421, 4354, 4976, 6160, 6220, 6842, 8708, 10885, 12440, 13684, 17105, 17416, 21770, 23947, 24880, 27368, 34210, 34832, 43540, 47894, 54736, 68420, 87080, 95788, 119735, 136840, 174160, 191576, 239470, 273680, 383152, 478940, 957880, 1915760]

約数ペア:

[(1, 1915760), (2, 957880), (4, 478940), (5, 383152), (7, 273680), (8, 239470), (10, 191576), (11, 174160), (14, 136840), (16, 119735), (20, 95788), (22, 87080), (28, 68420), (35, 54736), (40, 47894), (44, 43540), (55, 34832), (56, 34210), (70, 27368), (77, 24880), (80, 23947), (88, 21770), (110, 17416), (112, 17105), (140, 13684), (154, 12440), (176, 10885), (220, 8708), (280, 6842), (308, 6220), (311, 6160), (385, 4976), (440, 4354), (560, 3421), (616, 3110), (622, 3080), (770, 2488), (880, 2177), (1232, 1555), (1244, 1540)]