80017280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 223404480

約数和(自身を除く): 143387200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 337, 371, 424, 448, 530, 560, 640, 674, 742, 848, 896, 1060, 1120, 1348, 1484, 1685, 1696, 1855, 2120, 2240, 2359, 2696, 2968, 3370, 3392, 3710, 4240, 4480, 4718, 5392, 5936, 6740, 6784, 7420, 8480, 9436, 10784, 11795, 11872, 13480, 14840, 16960, 17861, 18872, 21568, 23590, 23744, 26960, 29680, 33920, 35722, 37744, 43136, 47180, 47488, 53920, 59360, 71444, 75488, 89305, 94360, 107840, 118720, 125027, 142888, 150976, 178610, 188720, 215680, 237440, 250054, 285776, 301952, 357220, 377440, 500108, 571552, 625135, 714440, 754880, 1000216, 1143104, 1250270, 1428880, 1509760, 2000432, 2286208, 2500540, 2857760, 4000864, 5001080, 5715520, 8001728, 10002160, 11431040, 16003456, 20004320, 40008640, 80017280]

約数ペア:

[(1, 80017280), (2, 40008640), (4, 20004320), (5, 16003456), (7, 11431040), (8, 10002160), (10, 8001728), (14, 5715520), (16, 5001080), (20, 4000864), (28, 2857760), (32, 2500540), (35, 2286208), (40, 2000432), (53, 1509760), (56, 1428880), (64, 1250270), (70, 1143104), (80, 1000216), (106, 754880), (112, 714440), (128, 625135), (140, 571552), (160, 500108), (212, 377440), (224, 357220), (265, 301952), (280, 285776), (320, 250054), (337, 237440), (371, 215680), (424, 188720), (448, 178610), (530, 150976), (560, 142888), (640, 125027), (674, 118720), (742, 107840), (848, 94360), (896, 89305), (1060, 75488), (1120, 71444), (1348, 59360), (1484, 53920), (1685, 47488), (1696, 47180), (1855, 43136), (2120, 37744), (2240, 35722), (2359, 33920), (2696, 29680), (2968, 26960), (3370, 23744), (3392, 23590), (3710, 21568), (4240, 18872), (4480, 17861), (4718, 16960), (5392, 14840), (5936, 13480), (6740, 11872), (6784, 11795), (7420, 10784), (8480, 9436)]