51640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2741}}^1$

素因数の和:2912

約数の個数: 64

約数和(自身を含む): 155964960

約数和(自身を除く): 104324520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2741, 3140, 3768, 4710, 5482, 6280, 8223, 9420, 10964, 13705, 16446, 18840, 21928, 27410, 32892, 41115, 54820, 65784, 82230, 109640, 164460, 328920, 430337, 860674, 1291011, 1721348, 2151685, 2582022, 3442696, 4303370, 5164044, 6455055, 8606740, 10328088, 12910110, 17213480, 25820220, 51640440]

約数ペア:

[(1, 51640440), (2, 25820220), (3, 17213480), (4, 12910110), (5, 10328088), (6, 8606740), (8, 6455055), (10, 5164044), (12, 4303370), (15, 3442696), (20, 2582022), (24, 2151685), (30, 1721348), (40, 1291011), (60, 860674), (120, 430337), (157, 328920), (314, 164460), (471, 109640), (628, 82230), (785, 65784), (942, 54820), (1256, 41115), (1570, 32892), (1884, 27410), (2355, 21928), (2741, 18840), (3140, 16446), (3768, 13705), (4710, 10964), (5482, 9420), (6280, 8223)]