64981980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17191}}^1$

素因数の和:17216

約数の個数: 96

約数和(自身を含む): 231060480

約数和(自身を除く): 166078500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 17191, 34382, 51573, 68764, 85955, 103146, 120337, 154719, 171910, 206292, 240674, 257865, 309438, 343820, 361011, 464157, 481348, 515730, 601685, 618876, 722022, 773595, 928314, 1031460, 1083033, 1203370, 1444044, 1547190, 1805055, 1856628, 2166066, 2320785, 2406740, 3094380, 3249099, 3610110, 4332132, 4641570, 5415165, 6498198, 7220220, 9283140, 10830330, 12996396, 16245495, 21660660, 32490990, 64981980]

約数ペア:

[(1, 64981980), (2, 32490990), (3, 21660660), (4, 16245495), (5, 12996396), (6, 10830330), (7, 9283140), (9, 7220220), (10, 6498198), (12, 5415165), (14, 4641570), (15, 4332132), (18, 3610110), (20, 3249099), (21, 3094380), (27, 2406740), (28, 2320785), (30, 2166066), (35, 1856628), (36, 1805055), (42, 1547190), (45, 1444044), (54, 1203370), (60, 1083033), (63, 1031460), (70, 928314), (84, 773595), (90, 722022), (105, 618876), (108, 601685), (126, 515730), (135, 481348), (140, 464157), (180, 361011), (189, 343820), (210, 309438), (252, 257865), (270, 240674), (315, 206292), (378, 171910), (420, 154719), (540, 120337), (630, 103146), (756, 85955), (945, 68764), (1260, 51573), (1890, 34382), (3780, 17191)]