57561680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 147312000

約数和(自身を除く): 89750320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 439, 440, 596, 745, 878, 880, 1192, 1490, 1639, 1756, 2195, 2384, 2980, 3278, 3512, 4390, 4829, 5960, 6556, 7024, 8195, 8780, 9658, 11920, 13112, 16390, 17560, 19316, 24145, 26224, 32780, 35120, 38632, 48290, 65411, 65560, 77264, 96580, 130822, 131120, 193160, 261644, 327055, 386320, 523288, 654110, 719521, 1046576, 1308220, 1439042, 2616440, 2878084, 3597605, 5232880, 5756168, 7195210, 11512336, 14390420, 28780840, 57561680]

約数ペア:

[(1, 57561680), (2, 28780840), (4, 14390420), (5, 11512336), (8, 7195210), (10, 5756168), (11, 5232880), (16, 3597605), (20, 2878084), (22, 2616440), (40, 1439042), (44, 1308220), (55, 1046576), (80, 719521), (88, 654110), (110, 523288), (149, 386320), (176, 327055), (220, 261644), (298, 193160), (439, 131120), (440, 130822), (596, 96580), (745, 77264), (878, 65560), (880, 65411), (1192, 48290), (1490, 38632), (1639, 35120), (1756, 32780), (2195, 26224), (2384, 24145), (2980, 19316), (3278, 17560), (3512, 16390), (4390, 13112), (4829, 11920), (5960, 9658), (6556, 8780), (7024, 8195)]