30778755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 61129728

約数和(自身を除く): 30350973

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 301, 357, 401, 595, 645, 731, 903, 1203, 1505, 1785, 2005, 2193, 2807, 3655, 4515, 5117, 6015, 6817, 8421, 10965, 14035, 15351, 17243, 20451, 25585, 34085, 42105, 47719, 51729, 76755, 86215, 102255, 120701, 143157, 238595, 258645, 293131, 362103, 603505, 715785, 879393, 1465655, 1810515, 2051917, 4396965, 6155751, 10259585, 30778755]

約数ペア:

[(1, 30778755), (3, 10259585), (5, 6155751), (7, 4396965), (15, 2051917), (17, 1810515), (21, 1465655), (35, 879393), (43, 715785), (51, 603505), (85, 362103), (105, 293131), (119, 258645), (129, 238595), (215, 143157), (255, 120701), (301, 102255), (357, 86215), (401, 76755), (595, 51729), (645, 47719), (731, 42105), (903, 34085), (1203, 25585), (1505, 20451), (1785, 17243), (2005, 15351), (2193, 14035), (2807, 10965), (3655, 8421), (4515, 6817), (5117, 6015)]