1242080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 3356640

約数和(自身を除く): 2114560

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, 1109, 1120, 2218, 4436, 5545, 7763, 8872, 11090, 15526, 17744, 22180, 31052, 35488, 38815, 44360, 62104, 77630, 88720, 124208, 155260, 177440, 248416, 310520, 621040, 1242080]

約数ペア:

[(1, 1242080), (2, 621040), (4, 310520), (5, 248416), (7, 177440), (8, 155260), (10, 124208), (14, 88720), (16, 77630), (20, 62104), (28, 44360), (32, 38815), (35, 35488), (40, 31052), (56, 22180), (70, 17744), (80, 15526), (112, 11090), (140, 8872), (160, 7763), (224, 5545), (280, 4436), (560, 2218), (1109, 1120)]