51818220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{601}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 157772160

約数和(自身を除く): 105953940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 601, 958, 1202, 1437, 1803, 1916, 2395, 2404, 2874, 3005, 3606, 4311, 4790, 5409, 5748, 6010, 7185, 7212, 8622, 9015, 9580, 10818, 12020, 14370, 17244, 18030, 21555, 21636, 27045, 28740, 36060, 43110, 54090, 86220, 108180, 287879, 575758, 863637, 1151516, 1439395, 1727274, 2590911, 2878790, 3454548, 4318185, 5181822, 5757580, 8636370, 10363644, 12954555, 17272740, 25909110, 51818220]

約数ペア:

[(1, 51818220), (2, 25909110), (3, 17272740), (4, 12954555), (5, 10363644), (6, 8636370), (9, 5757580), (10, 5181822), (12, 4318185), (15, 3454548), (18, 2878790), (20, 2590911), (30, 1727274), (36, 1439395), (45, 1151516), (60, 863637), (90, 575758), (180, 287879), (479, 108180), (601, 86220), (958, 54090), (1202, 43110), (1437, 36060), (1803, 28740), (1916, 27045), (2395, 21636), (2404, 21555), (2874, 18030), (3005, 17244), (3606, 14370), (4311, 12020), (4790, 10818), (5409, 9580), (5748, 9015), (6010, 8622), (7185, 7212)]