280121040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389057}}^1$

素因数の和:389076

約数の個数: 60

約数和(自身を含む): 940742244

約数和(自身を除く): 660621204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 389057, 778114, 1167171, 1556228, 1945285, 2334342, 3112456, 3501513, 3890570, 4668684, 5835855, 6224912, 7003026, 7781140, 9337368, 11671710, 14006052, 15562280, 17507565, 18674736, 23343420, 28012104, 31124560, 35015130, 46686840, 56024208, 70030260, 93373680, 140060520, 280121040]

約数ペア:

[(1, 280121040), (2, 140060520), (3, 93373680), (4, 70030260), (5, 56024208), (6, 46686840), (8, 35015130), (9, 31124560), (10, 28012104), (12, 23343420), (15, 18674736), (16, 17507565), (18, 15562280), (20, 14006052), (24, 11671710), (30, 9337368), (36, 7781140), (40, 7003026), (45, 6224912), (48, 5835855), (60, 4668684), (72, 3890570), (80, 3501513), (90, 3112456), (120, 2334342), (144, 1945285), (180, 1556228), (240, 1167171), (360, 778114), (720, 389057)]