279528480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2560

約数の個数: 288

約数和(自身を含む): 1189738368

約数和(自身を除く): 910209888

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, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 385, 396, 420, 440, 462, 480, 495, 504, 528, 560, 616, 630, 660, 672, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1386, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2310, 2464, 2520, 2521, 2640, 2772, 3080, 3168, 3360, 3465, 3696, 3960, 4620, 5040, 5042, 5280, 5544, 6160, 6930, 7392, 7563, 7920, 9240, 10080, 10084, 11088, 12320, 12605, 13860, 15126, 15840, 17647, 18480, 20168, 22176, 22689, 25210, 27720, 27731, 30252, 35294, 36960, 37815, 40336, 45378, 50420, 52941, 55440, 55462, 60504, 70588, 75630, 80672, 83193, 88235, 90756, 100840, 105882, 110880, 110924, 113445, 121008, 138655, 141176, 151260, 158823, 166386, 176470, 181512, 194117, 201680, 211764, 221848, 226890, 242016, 249579, 264705, 277310, 282352, 302520, 317646, 332772, 352940, 363024, 388234, 403360, 415965, 423528, 443696, 453780, 499158, 529410, 554620, 564704, 582351, 605040, 635292, 665544, 705880, 726048, 776468, 794115, 831930, 847056, 887392, 907560, 970585, 998316, 1058820, 1109240, 1164702, 1210080, 1247895, 1270584, 1331088, 1411760, 1552936, 1588230, 1663860, 1694112, 1747053, 1815120, 1941170, 1996632, 2117640, 2218480, 2329404, 2495790, 2541168, 2662176, 2823520, 2911755, 3105872, 3176460, 3327720, 3494106, 3630240, 3882340, 3993264, 4235280, 4436960, 4658808, 4991580, 5082336, 5823510, 6211744, 6352920, 6655440, 6988212, 7764680, 7986528, 8470560, 8735265, 9317616, 9983160, 11647020, 12705840, 13310880, 13976424, 15529360, 17470530, 18635232, 19966320, 23294040, 25411680, 27952848, 31058720, 34941060, 39932640, 46588080, 55905696, 69882120, 93176160, 139764240, 279528480]

約数ペア:

[(1, 279528480), (2, 139764240), (3, 93176160), (4, 69882120), (5, 55905696), (6, 46588080), (7, 39932640), (8, 34941060), (9, 31058720), (10, 27952848), (11, 25411680), (12, 23294040), (14, 19966320), (15, 18635232), (16, 17470530), (18, 15529360), (20, 13976424), (21, 13310880), (22, 12705840), (24, 11647020), (28, 9983160), (30, 9317616), (32, 8735265), (33, 8470560), (35, 7986528), (36, 7764680), (40, 6988212), (42, 6655440), (44, 6352920), (45, 6211744), (48, 5823510), (55, 5082336), (56, 4991580), (60, 4658808), (63, 4436960), (66, 4235280), (70, 3993264), (72, 3882340), (77, 3630240), (80, 3494106), (84, 3327720), (88, 3176460), (90, 3105872), (96, 2911755), (99, 2823520), (105, 2662176), (110, 2541168), (112, 2495790), (120, 2329404), (126, 2218480), (132, 2117640), (140, 1996632), (144, 1941170), (154, 1815120), (160, 1747053), (165, 1694112), (168, 1663860), (176, 1588230), (180, 1552936), (198, 1411760), (210, 1331088), (220, 1270584), (224, 1247895), (231, 1210080), (240, 1164702), (252, 1109240), (264, 1058820), (280, 998316), (288, 970585), (308, 907560), (315, 887392), (330, 847056), (336, 831930), (352, 794115), (360, 776468), (385, 726048), (396, 705880), (420, 665544), (440, 635292), (462, 605040), (480, 582351), (495, 564704), (504, 554620), (528, 529410), (560, 499158), (616, 453780), (630, 443696), (660, 423528), (672, 415965), (693, 403360), (720, 388234), (770, 363024), (792, 352940), (840, 332772), (880, 317646), (924, 302520), (990, 282352), (1008, 277310), (1056, 264705), (1120, 249579), (1155, 242016), (1232, 226890), (1260, 221848), (1320, 211764), (1386, 201680), (1440, 194117), (1540, 181512), (1584, 176470), (1680, 166386), (1760, 158823), (1848, 151260), (1980, 141176), (2016, 138655), (2310, 121008), (2464, 113445), (2520, 110924), (2521, 110880), (2640, 105882), (2772, 100840), (3080, 90756), (3168, 88235), (3360, 83193), (3465, 80672), (3696, 75630), (3960, 70588), (4620, 60504), (5040, 55462), (5042, 55440), (5280, 52941), (5544, 50420), (6160, 45378), (6930, 40336), (7392, 37815), (7563, 36960), (7920, 35294), (9240, 30252), (10080, 27731), (10084, 27720), (11088, 25210), (12320, 22689), (12605, 22176), (13860, 20168), (15126, 18480), (15840, 17647)]