51536820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5471}}^1$

素因数の和:5640

約数の個数: 48

約数和(自身を含む): 145248768

約数和(自身を除く): 93711948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 5471, 9420, 10942, 16413, 21884, 27355, 32826, 54710, 65652, 82065, 109420, 164130, 328260, 858947, 1717894, 2576841, 3435788, 4294735, 5153682, 8589470, 10307364, 12884205, 17178940, 25768410, 51536820]

約数ペア:

[(1, 51536820), (2, 25768410), (3, 17178940), (4, 12884205), (5, 10307364), (6, 8589470), (10, 5153682), (12, 4294735), (15, 3435788), (20, 2576841), (30, 1717894), (60, 858947), (157, 328260), (314, 164130), (471, 109420), (628, 82065), (785, 65652), (942, 54710), (1570, 32826), (1884, 27355), (2355, 21884), (3140, 16413), (4710, 10942), (5471, 9420)]