640128

素因数分解:

$2^7\times 3^1\times {\mathrm{1667}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 1701360

約数和(自身を除く): 1061232

約数列:

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

約数ペア:

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