72520060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 156764160

約数和(自身を除く): 84244100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 179, 188, 235, 358, 431, 470, 716, 862, 895, 940, 1724, 1790, 2155, 3580, 4310, 8413, 8620, 16826, 20257, 33652, 40514, 42065, 77149, 81028, 84130, 101285, 154298, 168260, 202570, 308596, 385745, 405140, 771490, 1542980, 3626003, 7252006, 14504012, 18130015, 36260030, 72520060]

約数ペア:

[(1, 72520060), (2, 36260030), (4, 18130015), (5, 14504012), (10, 7252006), (20, 3626003), (47, 1542980), (94, 771490), (179, 405140), (188, 385745), (235, 308596), (358, 202570), (431, 168260), (470, 154298), (716, 101285), (862, 84130), (895, 81028), (940, 77149), (1724, 42065), (1790, 40514), (2155, 33652), (3580, 20257), (4310, 16826), (8413, 8620)]