87139360

素因数分解:

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

素因数の和:687

約数の個数: 144

約数和(自身を含む): 259011648

約数和(自身を除く): 171872288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 643, 770, 847, 880, 968, 1120, 1210, 1232, 1286, 1540, 1694, 1760, 1936, 2420, 2464, 2572, 3080, 3215, 3388, 3872, 4235, 4501, 4840, 5144, 6160, 6430, 6776, 7073, 8470, 9002, 9680, 10288, 12320, 12860, 13552, 14146, 16940, 18004, 19360, 20576, 22505, 25720, 27104, 28292, 33880, 35365, 36008, 45010, 49511, 51440, 56584, 67760, 70730, 72016, 77803, 90020, 99022, 102880, 113168, 135520, 141460, 144032, 155606, 180040, 198044, 226336, 247555, 282920, 311212, 360080, 389015, 396088, 495110, 544621, 565840, 622424, 720160, 778030, 792176, 990220, 1089242, 1131680, 1244848, 1556060, 1584352, 1980440, 2178484, 2489696, 2723105, 3112120, 3960880, 4356968, 5446210, 6224240, 7921760, 8713936, 10892420, 12448480, 17427872, 21784840, 43569680, 87139360]

約数ペア:

[(1, 87139360), (2, 43569680), (4, 21784840), (5, 17427872), (7, 12448480), (8, 10892420), (10, 8713936), (11, 7921760), (14, 6224240), (16, 5446210), (20, 4356968), (22, 3960880), (28, 3112120), (32, 2723105), (35, 2489696), (40, 2178484), (44, 1980440), (55, 1584352), (56, 1556060), (70, 1244848), (77, 1131680), (80, 1089242), (88, 990220), (110, 792176), (112, 778030), (121, 720160), (140, 622424), (154, 565840), (160, 544621), (176, 495110), (220, 396088), (224, 389015), (242, 360080), (280, 311212), (308, 282920), (352, 247555), (385, 226336), (440, 198044), (484, 180040), (560, 155606), (605, 144032), (616, 141460), (643, 135520), (770, 113168), (847, 102880), (880, 99022), (968, 90020), (1120, 77803), (1210, 72016), (1232, 70730), (1286, 67760), (1540, 56584), (1694, 51440), (1760, 49511), (1936, 45010), (2420, 36008), (2464, 35365), (2572, 33880), (3080, 28292), (3215, 27104), (3388, 25720), (3872, 22505), (4235, 20576), (4501, 19360), (4840, 18004), (5144, 16940), (6160, 14146), (6430, 13552), (6776, 12860), (7073, 12320), (8470, 10288), (9002, 9680)]