51301320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 177465600

約数和(自身を除く): 126164280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 389, 420, 471, 628, 778, 785, 840, 942, 1099, 1167, 1256, 1556, 1570, 1884, 1945, 2198, 2334, 2355, 2723, 3112, 3140, 3297, 3768, 3890, 4396, 4668, 4710, 5446, 5495, 5835, 6280, 6594, 7780, 8169, 8792, 9336, 9420, 10892, 10990, 11670, 13188, 13615, 15560, 16338, 16485, 18840, 21784, 21980, 23340, 26376, 27230, 32676, 32970, 40845, 43960, 46680, 54460, 61073, 65352, 65940, 81690, 108920, 122146, 131880, 163380, 183219, 244292, 305365, 326760, 366438, 427511, 488584, 610730, 732876, 855022, 916095, 1221460, 1282533, 1465752, 1710044, 1832190, 2137555, 2442920, 2565066, 3420088, 3664380, 4275110, 5130132, 6412665, 7328760, 8550220, 10260264, 12825330, 17100440, 25650660, 51301320]

約数ペア:

[(1, 51301320), (2, 25650660), (3, 17100440), (4, 12825330), (5, 10260264), (6, 8550220), (7, 7328760), (8, 6412665), (10, 5130132), (12, 4275110), (14, 3664380), (15, 3420088), (20, 2565066), (21, 2442920), (24, 2137555), (28, 1832190), (30, 1710044), (35, 1465752), (40, 1282533), (42, 1221460), (56, 916095), (60, 855022), (70, 732876), (84, 610730), (105, 488584), (120, 427511), (140, 366438), (157, 326760), (168, 305365), (210, 244292), (280, 183219), (314, 163380), (389, 131880), (420, 122146), (471, 108920), (628, 81690), (778, 65940), (785, 65352), (840, 61073), (942, 54460), (1099, 46680), (1167, 43960), (1256, 40845), (1556, 32970), (1570, 32676), (1884, 27230), (1945, 26376), (2198, 23340), (2334, 21980), (2355, 21784), (2723, 18840), (3112, 16485), (3140, 16338), (3297, 15560), (3768, 13615), (3890, 13188), (4396, 11670), (4668, 10990), (4710, 10892), (5446, 9420), (5495, 9336), (5835, 8792), (6280, 8169), (6594, 7780)]