84612080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 226652160

約数和(自身を除く): 142040080

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, 1087, 1112, 1390, 1946, 2174, 2224, 2780, 3892, 4348, 4865, 5435, 5560, 7609, 7784, 8696, 9730, 10870, 11120, 15218, 15568, 17392, 19460, 21740, 30436, 38045, 38920, 43480, 60872, 76090, 77840, 86960, 121744, 151093, 152180, 302186, 304360, 604372, 608720, 755465, 1057651, 1208744, 1510930, 2115302, 2417488, 3021860, 4230604, 5288255, 6043720, 8461208, 10576510, 12087440, 16922416, 21153020, 42306040, 84612080]

約数ペア:

[(1, 84612080), (2, 42306040), (4, 21153020), (5, 16922416), (7, 12087440), (8, 10576510), (10, 8461208), (14, 6043720), (16, 5288255), (20, 4230604), (28, 3021860), (35, 2417488), (40, 2115302), (56, 1510930), (70, 1208744), (80, 1057651), (112, 755465), (139, 608720), (140, 604372), (278, 304360), (280, 302186), (556, 152180), (560, 151093), (695, 121744), (973, 86960), (1087, 77840), (1112, 76090), (1390, 60872), (1946, 43480), (2174, 38920), (2224, 38045), (2780, 30436), (3892, 21740), (4348, 19460), (4865, 17392), (5435, 15568), (5560, 15218), (7609, 11120), (7784, 10870), (8696, 9730)]