81784530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14897}}^1$

素因数の和:14971

約数の個数: 48

約数和(自身を含む): 216140184

約数和(自身を除く): 134355654

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 14897, 29794, 44691, 74485, 89382, 134073, 148970, 223455, 268146, 446910, 670365, 908717, 1340730, 1817434, 2726151, 4543585, 5452302, 8178453, 9087170, 13630755, 16356906, 27261510, 40892265, 81784530]

約数ペア:

[(1, 81784530), (2, 40892265), (3, 27261510), (5, 16356906), (6, 13630755), (9, 9087170), (10, 8178453), (15, 5452302), (18, 4543585), (30, 2726151), (45, 1817434), (61, 1340730), (90, 908717), (122, 670365), (183, 446910), (305, 268146), (366, 223455), (549, 148970), (610, 134073), (915, 89382), (1098, 74485), (1830, 44691), (2745, 29794), (5490, 14897)]