131017320

素因数分解:

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

素因数の和:52015

約数の個数: 96

約数和(自身を含む): 486645120

約数和(自身を除く): 355627800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 51991, 103982, 155973, 207964, 259955, 311946, 363937, 415928, 467919, 519910, 623892, 727874, 779865, 935838, 1039820, 1091811, 1247784, 1455748, 1559730, 1819685, 1871676, 2079640, 2183622, 2339595, 2911496, 3119460, 3275433, 3639370, 3743352, 4367244, 4679190, 5459055, 6238920, 6550866, 7278740, 8734488, 9358380, 10918110, 13101732, 14557480, 16377165, 18716760, 21836220, 26203464, 32754330, 43672440, 65508660, 131017320]

約数ペア:

[(1, 131017320), (2, 65508660), (3, 43672440), (4, 32754330), (5, 26203464), (6, 21836220), (7, 18716760), (8, 16377165), (9, 14557480), (10, 13101732), (12, 10918110), (14, 9358380), (15, 8734488), (18, 7278740), (20, 6550866), (21, 6238920), (24, 5459055), (28, 4679190), (30, 4367244), (35, 3743352), (36, 3639370), (40, 3275433), (42, 3119460), (45, 2911496), (56, 2339595), (60, 2183622), (63, 2079640), (70, 1871676), (72, 1819685), (84, 1559730), (90, 1455748), (105, 1247784), (120, 1091811), (126, 1039820), (140, 935838), (168, 779865), (180, 727874), (210, 623892), (252, 519910), (280, 467919), (315, 415928), (360, 363937), (420, 311946), (504, 259955), (630, 207964), (840, 155973), (1260, 103982), (2520, 51991)]