85158920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 244823040

約数和(自身を除く): 159664120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 602, 616, 643, 770, 860, 946, 1204, 1286, 1505, 1540, 1720, 1892, 2365, 2408, 2572, 3010, 3080, 3215, 3311, 3784, 4501, 4730, 5144, 6020, 6430, 6622, 7073, 9002, 9460, 12040, 12860, 13244, 14146, 16555, 18004, 18920, 22505, 25720, 26488, 27649, 28292, 33110, 35365, 36008, 45010, 49511, 55298, 56584, 66220, 70730, 90020, 99022, 110596, 132440, 138245, 141460, 180040, 193543, 198044, 221192, 247555, 276490, 282920, 304139, 387086, 396088, 495110, 552980, 608278, 774172, 967715, 990220, 1105960, 1216556, 1520695, 1548344, 1935430, 1980440, 2128973, 2433112, 3041390, 3870860, 4257946, 6082780, 7741720, 8515892, 10644865, 12165560, 17031784, 21289730, 42579460, 85158920]

約数ペア:

[(1, 85158920), (2, 42579460), (4, 21289730), (5, 17031784), (7, 12165560), (8, 10644865), (10, 8515892), (11, 7741720), (14, 6082780), (20, 4257946), (22, 3870860), (28, 3041390), (35, 2433112), (40, 2128973), (43, 1980440), (44, 1935430), (55, 1548344), (56, 1520695), (70, 1216556), (77, 1105960), (86, 990220), (88, 967715), (110, 774172), (140, 608278), (154, 552980), (172, 495110), (215, 396088), (220, 387086), (280, 304139), (301, 282920), (308, 276490), (344, 247555), (385, 221192), (430, 198044), (440, 193543), (473, 180040), (602, 141460), (616, 138245), (643, 132440), (770, 110596), (860, 99022), (946, 90020), (1204, 70730), (1286, 66220), (1505, 56584), (1540, 55298), (1720, 49511), (1892, 45010), (2365, 36008), (2408, 35365), (2572, 33110), (3010, 28292), (3080, 27649), (3215, 26488), (3311, 25720), (3784, 22505), (4501, 18920), (4730, 18004), (5144, 16555), (6020, 14146), (6430, 13244), (6622, 12860), (7073, 12040), (9002, 9460)]