68684840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 187729920

約数和(自身を除く): 119045080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 193, 205, 217, 248, 280, 287, 310, 328, 386, 410, 434, 574, 620, 772, 820, 868, 965, 1085, 1148, 1240, 1271, 1351, 1435, 1544, 1640, 1736, 1930, 2170, 2296, 2542, 2702, 2870, 3860, 4340, 5084, 5404, 5740, 5983, 6355, 6755, 7720, 7913, 8680, 8897, 10168, 10808, 11480, 11966, 12710, 13510, 15826, 17794, 23932, 25420, 27020, 29915, 31652, 35588, 39565, 41881, 44485, 47864, 50840, 54040, 55391, 59830, 63304, 71176, 79130, 83762, 88970, 110782, 119660, 158260, 167524, 177940, 209405, 221564, 239320, 245303, 276955, 316520, 335048, 355880, 418810, 443128, 490606, 553910, 837620, 981212, 1107820, 1226515, 1675240, 1717121, 1962424, 2215640, 2453030, 3434242, 4906060, 6868484, 8585605, 9812120, 13736968, 17171210, 34342420, 68684840]

約数ペア:

[(1, 68684840), (2, 34342420), (4, 17171210), (5, 13736968), (7, 9812120), (8, 8585605), (10, 6868484), (14, 4906060), (20, 3434242), (28, 2453030), (31, 2215640), (35, 1962424), (40, 1717121), (41, 1675240), (56, 1226515), (62, 1107820), (70, 981212), (82, 837620), (124, 553910), (140, 490606), (155, 443128), (164, 418810), (193, 355880), (205, 335048), (217, 316520), (248, 276955), (280, 245303), (287, 239320), (310, 221564), (328, 209405), (386, 177940), (410, 167524), (434, 158260), (574, 119660), (620, 110782), (772, 88970), (820, 83762), (868, 79130), (965, 71176), (1085, 63304), (1148, 59830), (1240, 55391), (1271, 54040), (1351, 50840), (1435, 47864), (1544, 44485), (1640, 41881), (1736, 39565), (1930, 35588), (2170, 31652), (2296, 29915), (2542, 27020), (2702, 25420), (2870, 23932), (3860, 17794), (4340, 15826), (5084, 13510), (5404, 12710), (5740, 11966), (5983, 11480), (6355, 10808), (6755, 10168), (7720, 8897), (7913, 8680)]