131783120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1852

約数の個数: 80

約数和(自身を含む): 352894080

約数和(自身を除く): 221110960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1693, 1946, 2224, 2780, 3386, 3892, 4865, 5560, 6772, 7784, 8465, 9730, 11120, 11851, 13544, 15568, 16930, 19460, 23702, 27088, 33860, 38920, 47404, 59255, 67720, 77840, 94808, 118510, 135440, 189616, 235327, 237020, 470654, 474040, 941308, 948080, 1176635, 1647289, 1882616, 2353270, 3294578, 3765232, 4706540, 6589156, 8236445, 9413080, 13178312, 16472890, 18826160, 26356624, 32945780, 65891560, 131783120]

約数ペア:

[(1, 131783120), (2, 65891560), (4, 32945780), (5, 26356624), (7, 18826160), (8, 16472890), (10, 13178312), (14, 9413080), (16, 8236445), (20, 6589156), (28, 4706540), (35, 3765232), (40, 3294578), (56, 2353270), (70, 1882616), (80, 1647289), (112, 1176635), (139, 948080), (140, 941308), (278, 474040), (280, 470654), (556, 237020), (560, 235327), (695, 189616), (973, 135440), (1112, 118510), (1390, 94808), (1693, 77840), (1946, 67720), (2224, 59255), (2780, 47404), (3386, 38920), (3892, 33860), (4865, 27088), (5560, 23702), (6772, 19460), (7784, 16930), (8465, 15568), (9730, 13544), (11120, 11851)]