2261560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 5987520

約数和(自身を除く): 3725960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 197, 205, 280, 287, 328, 394, 410, 574, 788, 820, 985, 1148, 1379, 1435, 1576, 1640, 1970, 2296, 2758, 2870, 3940, 5516, 5740, 6895, 7880, 8077, 11032, 11480, 13790, 16154, 27580, 32308, 40385, 55160, 56539, 64616, 80770, 113078, 161540, 226156, 282695, 323080, 452312, 565390, 1130780, 2261560]

約数ペア:

[(1, 2261560), (2, 1130780), (4, 565390), (5, 452312), (7, 323080), (8, 282695), (10, 226156), (14, 161540), (20, 113078), (28, 80770), (35, 64616), (40, 56539), (41, 55160), (56, 40385), (70, 32308), (82, 27580), (140, 16154), (164, 13790), (197, 11480), (205, 11032), (280, 8077), (287, 7880), (328, 6895), (394, 5740), (410, 5516), (574, 3940), (788, 2870), (820, 2758), (985, 2296), (1148, 1970), (1379, 1640), (1435, 1576)]