18128880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 320

約数和(自身を含む): 78566400

約数和(自身を除く): 60437520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 108, 109, 110, 112, 120, 126, 132, 135, 140, 144, 154, 165, 168, 176, 180, 189, 198, 210, 216, 218, 220, 231, 240, 252, 264, 270, 280, 297, 308, 315, 327, 330, 336, 360, 378, 385, 396, 420, 432, 436, 440, 462, 495, 504, 528, 540, 545, 560, 594, 616, 630, 654, 660, 693, 720, 756, 763, 770, 792, 840, 872, 880, 924, 945, 981, 990, 1008, 1080, 1090, 1155, 1188, 1199, 1232, 1260, 1308, 1320, 1386, 1485, 1512, 1526, 1540, 1584, 1635, 1680, 1744, 1848, 1890, 1962, 1980, 2079, 2160, 2180, 2289, 2310, 2376, 2398, 2520, 2616, 2640, 2772, 2943, 2970, 3024, 3052, 3080, 3270, 3465, 3597, 3696, 3780, 3815, 3924, 3960, 4158, 4360, 4578, 4620, 4752, 4796, 4905, 5040, 5232, 5544, 5886, 5940, 5995, 6104, 6160, 6540, 6867, 6930, 7194, 7560, 7630, 7848, 7920, 8316, 8393, 8720, 9156, 9240, 9592, 9810, 10395, 10791, 11088, 11445, 11772, 11880, 11990, 12208, 13080, 13734, 13860, 14388, 14715, 15120, 15260, 15696, 16632, 16786, 17985, 18312, 18480, 19184, 19620, 20601, 20790, 21582, 22890, 23544, 23760, 23980, 25179, 26160, 27468, 27720, 28776, 29430, 30520, 32373, 33264, 33572, 34335, 35970, 36624, 39240, 41202, 41580, 41965, 43164, 45780, 47088, 47960, 50358, 53955, 54936, 55440, 57552, 58860, 61040, 64746, 67144, 68670, 71940, 75537, 78480, 82404, 83160, 83930, 86328, 91560, 95920, 100716, 103005, 107910, 109872, 117720, 125895, 129492, 134288, 137340, 143880, 151074, 161865, 164808, 166320, 167860, 172656, 183120, 201432, 206010, 215820, 226611, 235440, 251790, 258984, 274680, 287760, 302148, 323730, 329616, 335720, 377685, 402864, 412020, 431640, 453222, 503580, 517968, 549360, 604296, 647460, 671440, 755370, 824040, 863280, 906444, 1007160, 1133055, 1208592, 1294920, 1510740, 1648080, 1812888, 2014320, 2266110, 2589840, 3021480, 3625776, 4532220, 6042960, 9064440, 18128880]

約数ペア:

[(1, 18128880), (2, 9064440), (3, 6042960), (4, 4532220), (5, 3625776), (6, 3021480), (7, 2589840), (8, 2266110), (9, 2014320), (10, 1812888), (11, 1648080), (12, 1510740), (14, 1294920), (15, 1208592), (16, 1133055), (18, 1007160), (20, 906444), (21, 863280), (22, 824040), (24, 755370), (27, 671440), (28, 647460), (30, 604296), (33, 549360), (35, 517968), (36, 503580), (40, 453222), (42, 431640), (44, 412020), (45, 402864), (48, 377685), (54, 335720), (55, 329616), (56, 323730), (60, 302148), (63, 287760), (66, 274680), (70, 258984), (72, 251790), (77, 235440), (80, 226611), (84, 215820), (88, 206010), (90, 201432), (99, 183120), (105, 172656), (108, 167860), (109, 166320), (110, 164808), (112, 161865), (120, 151074), (126, 143880), (132, 137340), (135, 134288), (140, 129492), (144, 125895), (154, 117720), (165, 109872), (168, 107910), (176, 103005), (180, 100716), (189, 95920), (198, 91560), (210, 86328), (216, 83930), (218, 83160), (220, 82404), (231, 78480), (240, 75537), (252, 71940), (264, 68670), (270, 67144), (280, 64746), (297, 61040), (308, 58860), (315, 57552), (327, 55440), (330, 54936), (336, 53955), (360, 50358), (378, 47960), (385, 47088), (396, 45780), (420, 43164), (432, 41965), (436, 41580), (440, 41202), (462, 39240), (495, 36624), (504, 35970), (528, 34335), (540, 33572), (545, 33264), (560, 32373), (594, 30520), (616, 29430), (630, 28776), (654, 27720), (660, 27468), (693, 26160), (720, 25179), (756, 23980), (763, 23760), (770, 23544), (792, 22890), (840, 21582), (872, 20790), (880, 20601), (924, 19620), (945, 19184), (981, 18480), (990, 18312), (1008, 17985), (1080, 16786), (1090, 16632), (1155, 15696), (1188, 15260), (1199, 15120), (1232, 14715), (1260, 14388), (1308, 13860), (1320, 13734), (1386, 13080), (1485, 12208), (1512, 11990), (1526, 11880), (1540, 11772), (1584, 11445), (1635, 11088), (1680, 10791), (1744, 10395), (1848, 9810), (1890, 9592), (1962, 9240), (1980, 9156), (2079, 8720), (2160, 8393), (2180, 8316), (2289, 7920), (2310, 7848), (2376, 7630), (2398, 7560), (2520, 7194), (2616, 6930), (2640, 6867), (2772, 6540), (2943, 6160), (2970, 6104), (3024, 5995), (3052, 5940), (3080, 5886), (3270, 5544), (3465, 5232), (3597, 5040), (3696, 4905), (3780, 4796), (3815, 4752), (3924, 4620), (3960, 4578), (4158, 4360)]