128880468

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 346731840

約数和(自身を除く): 217851372

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 251, 306, 502, 612, 753, 839, 1004, 1506, 1678, 2259, 2517, 3012, 3356, 4267, 4518, 5034, 7551, 8534, 9036, 10068, 12801, 14263, 15102, 17068, 25602, 28526, 30204, 38403, 42789, 51204, 57052, 76806, 85578, 128367, 153612, 171156, 210589, 256734, 421178, 513468, 631767, 842356, 1263534, 1895301, 2527068, 3580013, 3790602, 7160026, 7581204, 10740039, 14320052, 21480078, 32220117, 42960156, 64440234, 128880468]

約数ペア:

[(1, 128880468), (2, 64440234), (3, 42960156), (4, 32220117), (6, 21480078), (9, 14320052), (12, 10740039), (17, 7581204), (18, 7160026), (34, 3790602), (36, 3580013), (51, 2527068), (68, 1895301), (102, 1263534), (153, 842356), (204, 631767), (251, 513468), (306, 421178), (502, 256734), (612, 210589), (753, 171156), (839, 153612), (1004, 128367), (1506, 85578), (1678, 76806), (2259, 57052), (2517, 51204), (3012, 42789), (3356, 38403), (4267, 30204), (4518, 28526), (5034, 25602), (7551, 17068), (8534, 15102), (9036, 14263), (10068, 12801)]