1256169640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1\times {\mathrm{1973}}^1$

素因数の和:3442

約数の個数: 64

約数和(自身を含む): 3087020160

約数和(自身を除く): 1830850520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1447, 1973, 2894, 3946, 5788, 7235, 7892, 9865, 11576, 14470, 15784, 15917, 19730, 21703, 28940, 31834, 39460, 43406, 57880, 63668, 78920, 79585, 86812, 108515, 127336, 159170, 173624, 217030, 318340, 434060, 636680, 868120, 2854931, 5709862, 11419724, 14274655, 22839448, 28549310, 31404241, 57098620, 62808482, 114197240, 125616964, 157021205, 251233928, 314042410, 628084820, 1256169640]

約数ペア:

[(1, 1256169640), (2, 628084820), (4, 314042410), (5, 251233928), (8, 157021205), (10, 125616964), (11, 114197240), (20, 62808482), (22, 57098620), (40, 31404241), (44, 28549310), (55, 22839448), (88, 14274655), (110, 11419724), (220, 5709862), (440, 2854931), (1447, 868120), (1973, 636680), (2894, 434060), (3946, 318340), (5788, 217030), (7235, 173624), (7892, 159170), (9865, 127336), (11576, 108515), (14470, 86812), (15784, 79585), (15917, 78920), (19730, 63668), (21703, 57880), (28940, 43406), (31834, 39460)]