1305840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5441}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 4048848

約数和(自身を除く): 2743008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5441, 10882, 16323, 21764, 27205, 32646, 43528, 54410, 65292, 81615, 87056, 108820, 130584, 163230, 217640, 261168, 326460, 435280, 652920, 1305840]

約数ペア:

[(1, 1305840), (2, 652920), (3, 435280), (4, 326460), (5, 261168), (6, 217640), (8, 163230), (10, 130584), (12, 108820), (15, 87056), (16, 81615), (20, 65292), (24, 54410), (30, 43528), (40, 32646), (48, 27205), (60, 21764), (80, 16323), (120, 10882), (240, 5441)]