320256

素因数分解:

$2^8\times 3^2\times {\mathrm{139}}^1$

素因数の和:161

約数の個数: 54

約数和(自身を含む): 930020

約数和(自身を除く): 609764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 139, 144, 192, 256, 278, 288, 384, 417, 556, 576, 768, 834, 1112, 1152, 1251, 1668, 2224, 2304, 2502, 3336, 4448, 5004, 6672, 8896, 10008, 13344, 17792, 20016, 26688, 35584, 40032, 53376, 80064, 106752, 160128, 320256]

約数ペア:

[(1, 320256), (2, 160128), (3, 106752), (4, 80064), (6, 53376), (8, 40032), (9, 35584), (12, 26688), (16, 20016), (18, 17792), (24, 13344), (32, 10008), (36, 8896), (48, 6672), (64, 5004), (72, 4448), (96, 3336), (128, 2502), (139, 2304), (144, 2224), (192, 1668), (256, 1251), (278, 1152), (288, 1112), (384, 834), (417, 768), (556, 576)]