168240780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{311557}}^1$

素因数の和:311575

約数の個数: 48

約数和(自身を含む): 523417440

約数和(自身を除く): 355176660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 311557, 623114, 934671, 1246228, 1557785, 1869342, 2804013, 3115570, 3738684, 4673355, 5608026, 6231140, 8412039, 9346710, 11216052, 14020065, 16824078, 18693420, 28040130, 33648156, 42060195, 56080260, 84120390, 168240780]

約数ペア:

[(1, 168240780), (2, 84120390), (3, 56080260), (4, 42060195), (5, 33648156), (6, 28040130), (9, 18693420), (10, 16824078), (12, 14020065), (15, 11216052), (18, 9346710), (20, 8412039), (27, 6231140), (30, 5608026), (36, 4673355), (45, 3738684), (54, 3115570), (60, 2804013), (90, 1869342), (108, 1557785), (135, 1246228), (180, 934671), (270, 623114), (540, 311557)]