18683280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:374

約数の個数: 240

約数和(自身を含む): 78459264

約数和(自身を除く): 59775984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 337, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 674, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1011, 1155, 1232, 1260, 1320, 1348, 1386, 1540, 1584, 1680, 1685, 1848, 1980, 2022, 2310, 2359, 2520, 2640, 2696, 2772, 3033, 3080, 3370, 3465, 3696, 3707, 3960, 4044, 4620, 4718, 5040, 5055, 5392, 5544, 6066, 6160, 6740, 6930, 7077, 7414, 7920, 8088, 9240, 9436, 10110, 11088, 11121, 11795, 12132, 13480, 13860, 14154, 14828, 15165, 16176, 18480, 18535, 18872, 20220, 21231, 22242, 23590, 24264, 25949, 26960, 27720, 28308, 29656, 30330, 33363, 35385, 37070, 37744, 40440, 42462, 44484, 47180, 48528, 51898, 55440, 55605, 56616, 59312, 60660, 66726, 70770, 74140, 77847, 80880, 84924, 88968, 94360, 103796, 106155, 111210, 113232, 121320, 129745, 133452, 141540, 148280, 155694, 166815, 169848, 177936, 188720, 207592, 212310, 222420, 233541, 242640, 259490, 266904, 283080, 296560, 311388, 333630, 339696, 389235, 415184, 424620, 444840, 467082, 518980, 533808, 566160, 622776, 667260, 778470, 849240, 889680, 934164, 1037960, 1167705, 1245552, 1334520, 1556940, 1698480, 1868328, 2075920, 2335410, 2669040, 3113880, 3736656, 4670820, 6227760, 9341640, 18683280]

約数ペア:

[(1, 18683280), (2, 9341640), (3, 6227760), (4, 4670820), (5, 3736656), (6, 3113880), (7, 2669040), (8, 2335410), (9, 2075920), (10, 1868328), (11, 1698480), (12, 1556940), (14, 1334520), (15, 1245552), (16, 1167705), (18, 1037960), (20, 934164), (21, 889680), (22, 849240), (24, 778470), (28, 667260), (30, 622776), (33, 566160), (35, 533808), (36, 518980), (40, 467082), (42, 444840), (44, 424620), (45, 415184), (48, 389235), (55, 339696), (56, 333630), (60, 311388), (63, 296560), (66, 283080), (70, 266904), (72, 259490), (77, 242640), (80, 233541), (84, 222420), (88, 212310), (90, 207592), (99, 188720), (105, 177936), (110, 169848), (112, 166815), (120, 155694), (126, 148280), (132, 141540), (140, 133452), (144, 129745), (154, 121320), (165, 113232), (168, 111210), (176, 106155), (180, 103796), (198, 94360), (210, 88968), (220, 84924), (231, 80880), (240, 77847), (252, 74140), (264, 70770), (280, 66726), (308, 60660), (315, 59312), (330, 56616), (336, 55605), (337, 55440), (360, 51898), (385, 48528), (396, 47180), (420, 44484), (440, 42462), (462, 40440), (495, 37744), (504, 37070), (528, 35385), (560, 33363), (616, 30330), (630, 29656), (660, 28308), (674, 27720), (693, 26960), (720, 25949), (770, 24264), (792, 23590), (840, 22242), (880, 21231), (924, 20220), (990, 18872), (1008, 18535), (1011, 18480), (1155, 16176), (1232, 15165), (1260, 14828), (1320, 14154), (1348, 13860), (1386, 13480), (1540, 12132), (1584, 11795), (1680, 11121), (1685, 11088), (1848, 10110), (1980, 9436), (2022, 9240), (2310, 8088), (2359, 7920), (2520, 7414), (2640, 7077), (2696, 6930), (2772, 6740), (3033, 6160), (3080, 6066), (3370, 5544), (3465, 5392), (3696, 5055), (3707, 5040), (3960, 4718), (4044, 4620)]