1331506880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{378269}}^1$

素因数の和:378297

約数の個数: 56

約数和(自身を含む): 3458900880

約数和(自身を除く): 2127394000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 378269, 756538, 1513076, 1891345, 3026152, 3782690, 4160959, 6052304, 7565380, 8321918, 12104608, 15130760, 16643836, 20804795, 24209216, 30261520, 33287672, 41609590, 60523040, 66575344, 83219180, 121046080, 133150688, 166438360, 266301376, 332876720, 665753440, 1331506880]

約数ペア:

[(1, 1331506880), (2, 665753440), (4, 332876720), (5, 266301376), (8, 166438360), (10, 133150688), (11, 121046080), (16, 83219180), (20, 66575344), (22, 60523040), (32, 41609590), (40, 33287672), (44, 30261520), (55, 24209216), (64, 20804795), (80, 16643836), (88, 15130760), (110, 12104608), (160, 8321918), (176, 7565380), (220, 6052304), (320, 4160959), (352, 3782690), (440, 3026152), (704, 1891345), (880, 1513076), (1760, 756538), (3520, 378269)]