1211840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:565

約数の個数: 56

約数和(自身を含む): 3304032

約数和(自身を除く): 2092192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 541, 560, 1082, 1120, 2164, 2240, 2705, 3787, 4328, 5410, 7574, 8656, 10820, 15148, 17312, 18935, 21640, 30296, 34624, 37870, 43280, 60592, 75740, 86560, 121184, 151480, 173120, 242368, 302960, 605920, 1211840]

約数ペア:

[(1, 1211840), (2, 605920), (4, 302960), (5, 242368), (7, 173120), (8, 151480), (10, 121184), (14, 86560), (16, 75740), (20, 60592), (28, 43280), (32, 37870), (35, 34624), (40, 30296), (56, 21640), (64, 18935), (70, 17312), (80, 15148), (112, 10820), (140, 8656), (160, 7574), (224, 5410), (280, 4328), (320, 3787), (448, 2705), (541, 2240), (560, 2164), (1082, 1120)]