1217440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 3290112

約数和(自身を除く): 2072672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1087, 1120, 2174, 4348, 5435, 7609, 8696, 10870, 15218, 17392, 21740, 30436, 34784, 38045, 43480, 60872, 76090, 86960, 121744, 152180, 173920, 243488, 304360, 608720, 1217440]

約数ペア:

[(1, 1217440), (2, 608720), (4, 304360), (5, 243488), (7, 173920), (8, 152180), (10, 121744), (14, 86960), (16, 76090), (20, 60872), (28, 43480), (32, 38045), (35, 34784), (40, 30436), (56, 21740), (70, 17392), (80, 15218), (112, 10870), (140, 8696), (160, 7609), (224, 5435), (280, 4348), (560, 2174), (1087, 1120)]