28712340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53171}}^1$

素因数の和:53189

約数の個数: 48

約数和(自身を含む): 89328960

約数和(自身を除く): 60616620

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, 53171, 106342, 159513, 212684, 265855, 319026, 478539, 531710, 638052, 797565, 957078, 1063420, 1435617, 1595130, 1914156, 2392695, 2871234, 3190260, 4785390, 5742468, 7178085, 9570780, 14356170, 28712340]

約数ペア:

[(1, 28712340), (2, 14356170), (3, 9570780), (4, 7178085), (5, 5742468), (6, 4785390), (9, 3190260), (10, 2871234), (12, 2392695), (15, 1914156), (18, 1595130), (20, 1435617), (27, 1063420), (30, 957078), (36, 797565), (45, 638052), (54, 531710), (60, 478539), (90, 319026), (108, 265855), (135, 212684), (180, 159513), (270, 106342), (540, 53171)]