156171680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139439}}^1$

素因数の和:139461

約数の個数: 48

約数和(自身を含む): 421666560

約数和(自身を除く): 265494880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 139439, 278878, 557756, 697195, 976073, 1115512, 1394390, 1952146, 2231024, 2788780, 3904292, 4462048, 4880365, 5577560, 7808584, 9760730, 11155120, 15617168, 19521460, 22310240, 31234336, 39042920, 78085840, 156171680]

約数ペア:

[(1, 156171680), (2, 78085840), (4, 39042920), (5, 31234336), (7, 22310240), (8, 19521460), (10, 15617168), (14, 11155120), (16, 9760730), (20, 7808584), (28, 5577560), (32, 4880365), (35, 4462048), (40, 3904292), (56, 2788780), (70, 2231024), (80, 1952146), (112, 1394390), (140, 1115512), (160, 976073), (224, 697195), (280, 557756), (560, 278878), (1120, 139439)]