1665440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1487}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 2834272

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, 1120, 1487, 2974, 5948, 7435, 10409, 11896, 14870, 20818, 23792, 29740, 41636, 47584, 52045, 59480, 83272, 104090, 118960, 166544, 208180, 237920, 333088, 416360, 832720, 1665440]

約数ペア:

[(1, 1665440), (2, 832720), (4, 416360), (5, 333088), (7, 237920), (8, 208180), (10, 166544), (14, 118960), (16, 104090), (20, 83272), (28, 59480), (32, 52045), (35, 47584), (40, 41636), (56, 29740), (70, 23792), (80, 20818), (112, 14870), (140, 11896), (160, 10409), (224, 7435), (280, 5948), (560, 2974), (1120, 1487)]