1280256

素因数分解:

$2^8\times 3^1\times {\mathrm{1667}}^1$

素因数の和:1686

約数の個数: 36

約数和(自身を含む): 3409392

約数和(自身を除く): 2129136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 1667, 3334, 5001, 6668, 10002, 13336, 20004, 26672, 40008, 53344, 80016, 106688, 160032, 213376, 320064, 426752, 640128, 1280256]

約数ペア:

[(1, 1280256), (2, 640128), (3, 426752), (4, 320064), (6, 213376), (8, 160032), (12, 106688), (16, 80016), (24, 53344), (32, 40008), (48, 26672), (64, 20004), (96, 13336), (128, 10002), (192, 6668), (256, 5001), (384, 3334), (768, 1667)]