259927920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17191}}^1$

素因数の和:17220

約数の個数: 160

約数和(自身を含む): 1023267840

約数和(自身を除く): 763339920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 17191, 34382, 51573, 68764, 85955, 103146, 120337, 137528, 154719, 171910, 206292, 240674, 257865, 275056, 309438, 343820, 361011, 412584, 464157, 481348, 515730, 601685, 618876, 687640, 722022, 773595, 825168, 928314, 962696, 1031460, 1083033, 1203370, 1237752, 1375280, 1444044, 1547190, 1805055, 1856628, 1925392, 2062920, 2166066, 2320785, 2406740, 2475504, 2888088, 3094380, 3249099, 3610110, 3713256, 4125840, 4332132, 4641570, 4813480, 5415165, 5776176, 6188760, 6498198, 7220220, 7426512, 8664264, 9283140, 9626960, 10830330, 12377520, 12996396, 14440440, 16245495, 17328528, 18566280, 21660660, 25992792, 28880880, 32490990, 37132560, 43321320, 51985584, 64981980, 86642640, 129963960, 259927920]

約数ペア:

[(1, 259927920), (2, 129963960), (3, 86642640), (4, 64981980), (5, 51985584), (6, 43321320), (7, 37132560), (8, 32490990), (9, 28880880), (10, 25992792), (12, 21660660), (14, 18566280), (15, 17328528), (16, 16245495), (18, 14440440), (20, 12996396), (21, 12377520), (24, 10830330), (27, 9626960), (28, 9283140), (30, 8664264), (35, 7426512), (36, 7220220), (40, 6498198), (42, 6188760), (45, 5776176), (48, 5415165), (54, 4813480), (56, 4641570), (60, 4332132), (63, 4125840), (70, 3713256), (72, 3610110), (80, 3249099), (84, 3094380), (90, 2888088), (105, 2475504), (108, 2406740), (112, 2320785), (120, 2166066), (126, 2062920), (135, 1925392), (140, 1856628), (144, 1805055), (168, 1547190), (180, 1444044), (189, 1375280), (210, 1237752), (216, 1203370), (240, 1083033), (252, 1031460), (270, 962696), (280, 928314), (315, 825168), (336, 773595), (360, 722022), (378, 687640), (420, 618876), (432, 601685), (504, 515730), (540, 481348), (560, 464157), (630, 412584), (720, 361011), (756, 343820), (840, 309438), (945, 275056), (1008, 257865), (1080, 240674), (1260, 206292), (1512, 171910), (1680, 154719), (1890, 137528), (2160, 120337), (2520, 103146), (3024, 85955), (3780, 68764), (5040, 51573), (7560, 34382), (15120, 17191)]