78745320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218737}}^1$

素因数の和:218754

約数の個数: 48

約数和(自身を含む): 255923460

約数和(自身を除く): 177178140

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, 218737, 437474, 656211, 874948, 1093685, 1312422, 1749896, 1968633, 2187370, 2624844, 3281055, 3937266, 4374740, 5249688, 6562110, 7874532, 8749480, 9843165, 13124220, 15749064, 19686330, 26248440, 39372660, 78745320]

約数ペア:

[(1, 78745320), (2, 39372660), (3, 26248440), (4, 19686330), (5, 15749064), (6, 13124220), (8, 9843165), (9, 8749480), (10, 7874532), (12, 6562110), (15, 5249688), (18, 4374740), (20, 3937266), (24, 3281055), (30, 2624844), (36, 2187370), (40, 1968633), (45, 1749896), (60, 1312422), (72, 1093685), (90, 874948), (120, 656211), (180, 437474), (360, 218737)]