65508660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51991}}^1$

素因数の和:52013

約数の個数: 72

約数和(自身を含む): 227101056

約数和(自身を除く): 161592396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51991, 103982, 155973, 207964, 259955, 311946, 363937, 467919, 519910, 623892, 727874, 779865, 935838, 1039820, 1091811, 1455748, 1559730, 1819685, 1871676, 2183622, 2339595, 3119460, 3275433, 3639370, 4367244, 4679190, 5459055, 6550866, 7278740, 9358380, 10918110, 13101732, 16377165, 21836220, 32754330, 65508660]

約数ペア:

[(1, 65508660), (2, 32754330), (3, 21836220), (4, 16377165), (5, 13101732), (6, 10918110), (7, 9358380), (9, 7278740), (10, 6550866), (12, 5459055), (14, 4679190), (15, 4367244), (18, 3639370), (20, 3275433), (21, 3119460), (28, 2339595), (30, 2183622), (35, 1871676), (36, 1819685), (42, 1559730), (45, 1455748), (60, 1091811), (63, 1039820), (70, 935838), (84, 779865), (90, 727874), (105, 623892), (126, 519910), (140, 467919), (180, 363937), (210, 311946), (252, 259955), (315, 207964), (420, 155973), (630, 103982), (1260, 51991)]