91640520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{254557}}^1$

素因数の和:254574

約数の個数: 48

約数和(自身を含む): 297832860

約数和(自身を除く): 206192340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 254557, 509114, 763671, 1018228, 1272785, 1527342, 2036456, 2291013, 2545570, 3054684, 3818355, 4582026, 5091140, 6109368, 7636710, 9164052, 10182280, 11455065, 15273420, 18328104, 22910130, 30546840, 45820260, 91640520]

約数ペア:

[(1, 91640520), (2, 45820260), (3, 30546840), (4, 22910130), (5, 18328104), (6, 15273420), (8, 11455065), (9, 10182280), (10, 9164052), (12, 7636710), (15, 6109368), (18, 5091140), (20, 4582026), (24, 3818355), (30, 3054684), (36, 2545570), (40, 2291013), (45, 2036456), (60, 1527342), (72, 1272785), (90, 1018228), (120, 763671), (180, 509114), (360, 254557)]