61705840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 103283600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 439, 502, 560, 878, 1004, 1255, 1756, 1757, 2008, 2195, 2510, 3073, 3512, 3514, 4016, 4390, 5020, 6146, 7024, 7028, 8780, 8785, 10040, 12292, 14056, 15365, 17560, 17570, 20080, 24584, 28112, 30730, 35120, 35140, 49168, 61460, 70280, 110189, 122920, 140560, 220378, 245840, 440756, 550945, 771323, 881512, 1101890, 1542646, 1763024, 2203780, 3085292, 3856615, 4407560, 6170584, 7713230, 8815120, 12341168, 15426460, 30852920, 61705840]

約数ペア:

[(1, 61705840), (2, 30852920), (4, 15426460), (5, 12341168), (7, 8815120), (8, 7713230), (10, 6170584), (14, 4407560), (16, 3856615), (20, 3085292), (28, 2203780), (35, 1763024), (40, 1542646), (56, 1101890), (70, 881512), (80, 771323), (112, 550945), (140, 440756), (251, 245840), (280, 220378), (439, 140560), (502, 122920), (560, 110189), (878, 70280), (1004, 61460), (1255, 49168), (1756, 35140), (1757, 35120), (2008, 30730), (2195, 28112), (2510, 24584), (3073, 20080), (3512, 17570), (3514, 17560), (4016, 15365), (4390, 14056), (5020, 12292), (6146, 10040), (7024, 8785), (7028, 8780)]