67865840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121189}}^1$

素因数の和:121209

約数の個数: 40

約数和(自身を含む): 180330720

約数和(自身を除く): 112464880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121189, 242378, 484756, 605945, 848323, 969512, 1211890, 1696646, 1939024, 2423780, 3393292, 4241615, 4847560, 6786584, 8483230, 9695120, 13573168, 16966460, 33932920, 67865840]

約数ペア:

[(1, 67865840), (2, 33932920), (4, 16966460), (5, 13573168), (7, 9695120), (8, 8483230), (10, 6786584), (14, 4847560), (16, 4241615), (20, 3393292), (28, 2423780), (35, 1939024), (40, 1696646), (56, 1211890), (70, 969512), (80, 848323), (112, 605945), (140, 484756), (280, 242378), (560, 121189)]