247953810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20509}}^1$

素因数の和:20563

約数の個数: 64

約数和(自身を含む): 661570560

約数和(自身を除く): 413616750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 20509, 41018, 61527, 102545, 123054, 205090, 266617, 307635, 533234, 615270, 635779, 799851, 1271558, 1333085, 1599702, 1907337, 2666170, 3178895, 3814674, 3999255, 6357790, 7998510, 8265127, 9536685, 16530254, 19073370, 24795381, 41325635, 49590762, 82651270, 123976905, 247953810]

約数ペア:

[(1, 247953810), (2, 123976905), (3, 82651270), (5, 49590762), (6, 41325635), (10, 24795381), (13, 19073370), (15, 16530254), (26, 9536685), (30, 8265127), (31, 7998510), (39, 6357790), (62, 3999255), (65, 3814674), (78, 3178895), (93, 2666170), (130, 1907337), (155, 1599702), (186, 1333085), (195, 1271558), (310, 799851), (390, 635779), (403, 615270), (465, 533234), (806, 307635), (930, 266617), (1209, 205090), (2015, 123054), (2418, 102545), (4030, 61527), (6045, 41018), (12090, 20509)]