321399180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4787}}^1$

素因数の和:5175

約数の個数: 72

約数和(自身を含む): 977728752

約数和(自身を除く): 656329572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 746, 1119, 1492, 1865, 2238, 3357, 3730, 4476, 4787, 5595, 6714, 7460, 9574, 11190, 13428, 14361, 16785, 19148, 22380, 23935, 28722, 33570, 43083, 47870, 57444, 67140, 71805, 86166, 95740, 143610, 172332, 215415, 287220, 430830, 861660, 1785551, 3571102, 5356653, 7142204, 8927755, 10713306, 16069959, 17855510, 21426612, 26783265, 32139918, 35711020, 53566530, 64279836, 80349795, 107133060, 160699590, 321399180]

約数ペア:

[(1, 321399180), (2, 160699590), (3, 107133060), (4, 80349795), (5, 64279836), (6, 53566530), (9, 35711020), (10, 32139918), (12, 26783265), (15, 21426612), (18, 17855510), (20, 16069959), (30, 10713306), (36, 8927755), (45, 7142204), (60, 5356653), (90, 3571102), (180, 1785551), (373, 861660), (746, 430830), (1119, 287220), (1492, 215415), (1865, 172332), (2238, 143610), (3357, 95740), (3730, 86166), (4476, 71805), (4787, 67140), (5595, 57444), (6714, 47870), (7460, 43083), (9574, 33570), (11190, 28722), (13428, 23935), (14361, 22380), (16785, 19148)]