68557580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 179128320

約数和(自身を除く): 110570740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 139, 140, 182, 260, 271, 278, 364, 455, 542, 556, 695, 910, 973, 1084, 1355, 1390, 1807, 1820, 1897, 1946, 2710, 2780, 3523, 3614, 3794, 3892, 4865, 5420, 7046, 7228, 7588, 9035, 9485, 9730, 12649, 14092, 17615, 18070, 18970, 19460, 24661, 25298, 35230, 36140, 37669, 37940, 49322, 50596, 63245, 70460, 75338, 98644, 123305, 126490, 150676, 188345, 246610, 252980, 263683, 376690, 489697, 493220, 527366, 753380, 979394, 1054732, 1318415, 1958788, 2448485, 2636830, 3427879, 4896970, 5273660, 6855758, 9793940, 13711516, 17139395, 34278790, 68557580]

約数ペア:

[(1, 68557580), (2, 34278790), (4, 17139395), (5, 13711516), (7, 9793940), (10, 6855758), (13, 5273660), (14, 4896970), (20, 3427879), (26, 2636830), (28, 2448485), (35, 1958788), (52, 1318415), (65, 1054732), (70, 979394), (91, 753380), (130, 527366), (139, 493220), (140, 489697), (182, 376690), (260, 263683), (271, 252980), (278, 246610), (364, 188345), (455, 150676), (542, 126490), (556, 123305), (695, 98644), (910, 75338), (973, 70460), (1084, 63245), (1355, 50596), (1390, 49322), (1807, 37940), (1820, 37669), (1897, 36140), (1946, 35230), (2710, 25298), (2780, 24661), (3523, 19460), (3614, 18970), (3794, 18070), (3892, 17615), (4865, 14092), (5420, 12649), (7046, 9730), (7228, 9485), (7588, 9035)]