68005840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121439}}^1$

素因数の和:121459

約数の個数: 40

約数和(自身を含む): 180702720

約数和(自身を除く): 112696880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121439, 242878, 485756, 607195, 850073, 971512, 1214390, 1700146, 1943024, 2428780, 3400292, 4250365, 4857560, 6800584, 8500730, 9715120, 13601168, 17001460, 34002920, 68005840]

約数ペア:

[(1, 68005840), (2, 34002920), (4, 17001460), (5, 13601168), (7, 9715120), (8, 8500730), (10, 6800584), (14, 4857560), (16, 4250365), (20, 3400292), (28, 2428780), (35, 1943024), (40, 1700146), (56, 1214390), (70, 971512), (80, 850073), (112, 607195), (140, 485756), (280, 242878), (560, 121439)]