257625840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1073441}}^1$

素因数の和:1073457

約数の個数: 40

約数和(自身を含む): 798640848

約数和(自身を除く): 541015008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1073441, 2146882, 3220323, 4293764, 5367205, 6440646, 8587528, 10734410, 12881292, 16101615, 17175056, 21468820, 25762584, 32203230, 42937640, 51525168, 64406460, 85875280, 128812920, 257625840]

約数ペア:

[(1, 257625840), (2, 128812920), (3, 85875280), (4, 64406460), (5, 51525168), (6, 42937640), (8, 32203230), (10, 25762584), (12, 21468820), (15, 17175056), (16, 16101615), (20, 12881292), (24, 10734410), (30, 8587528), (40, 6440646), (48, 5367205), (60, 4293764), (80, 3220323), (120, 2146882), (240, 1073441)]