1279184640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 288

約数和(自身を含む): 4282392576

約数和(自身を除く): 3003207936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 61, 64, 80, 86, 96, 120, 122, 127, 128, 129, 160, 172, 183, 192, 215, 240, 244, 254, 256, 258, 305, 320, 344, 366, 381, 384, 430, 480, 488, 508, 516, 610, 635, 640, 645, 688, 732, 762, 768, 860, 915, 960, 976, 1016, 1032, 1220, 1270, 1280, 1290, 1376, 1464, 1524, 1720, 1830, 1905, 1920, 1952, 2032, 2064, 2440, 2540, 2580, 2623, 2752, 2928, 3048, 3440, 3660, 3810, 3840, 3904, 4064, 4128, 4880, 5080, 5160, 5246, 5461, 5504, 5856, 6096, 6880, 7320, 7620, 7747, 7808, 7869, 8128, 8256, 9760, 10160, 10320, 10492, 10922, 11008, 11712, 12192, 13115, 13760, 14640, 15240, 15494, 15616, 15738, 16256, 16383, 16512, 19520, 20320, 20640, 20984, 21844, 23241, 23424, 24384, 26230, 27305, 27520, 29280, 30480, 30988, 31476, 32512, 32766, 33024, 38735, 39040, 39345, 40640, 41280, 41968, 43688, 46482, 46848, 48768, 52460, 54610, 55040, 58560, 60960, 61976, 62952, 65532, 77470, 78080, 78690, 81280, 81915, 82560, 83936, 87376, 92964, 97536, 104920, 109220, 116205, 117120, 121920, 123952, 125904, 131064, 154940, 157380, 162560, 163830, 165120, 167872, 174752, 185928, 209840, 218440, 232410, 234240, 243840, 247904, 251808, 262128, 309880, 314760, 327660, 333121, 335744, 349504, 371856, 419680, 436880, 464820, 487680, 495808, 503616, 524256, 619760, 629520, 655320, 666242, 671488, 699008, 743712, 839360, 873760, 929640, 991616, 999363, 1007232, 1048512, 1239520, 1259040, 1310640, 1332484, 1398016, 1487424, 1665605, 1678720, 1747520, 1859280, 1983232, 1998726, 2014464, 2097024, 2479040, 2518080, 2621280, 2664968, 2974848, 3331210, 3357440, 3495040, 3718560, 3997452, 4194048, 4958080, 4996815, 5036160, 5242560, 5329936, 5949696, 6662420, 6990080, 7437120, 7994904, 9916160, 9993630, 10072320, 10485120, 10659872, 13324840, 14874240, 15989808, 19987260, 20970240, 21319744, 26649680, 29748480, 31979616, 39974520, 42639488, 53299360, 63959232, 79949040, 85278976, 106598720, 127918464, 159898080, 213197440, 255836928, 319796160, 426394880, 639592320, 1279184640]

約数ペア:

[(1, 1279184640), (2, 639592320), (3, 426394880), (4, 319796160), (5, 255836928), (6, 213197440), (8, 159898080), (10, 127918464), (12, 106598720), (15, 85278976), (16, 79949040), (20, 63959232), (24, 53299360), (30, 42639488), (32, 39974520), (40, 31979616), (43, 29748480), (48, 26649680), (60, 21319744), (61, 20970240), (64, 19987260), (80, 15989808), (86, 14874240), (96, 13324840), (120, 10659872), (122, 10485120), (127, 10072320), (128, 9993630), (129, 9916160), (160, 7994904), (172, 7437120), (183, 6990080), (192, 6662420), (215, 5949696), (240, 5329936), (244, 5242560), (254, 5036160), (256, 4996815), (258, 4958080), (305, 4194048), (320, 3997452), (344, 3718560), (366, 3495040), (381, 3357440), (384, 3331210), (430, 2974848), (480, 2664968), (488, 2621280), (508, 2518080), (516, 2479040), (610, 2097024), (635, 2014464), (640, 1998726), (645, 1983232), (688, 1859280), (732, 1747520), (762, 1678720), (768, 1665605), (860, 1487424), (915, 1398016), (960, 1332484), (976, 1310640), (1016, 1259040), (1032, 1239520), (1220, 1048512), (1270, 1007232), (1280, 999363), (1290, 991616), (1376, 929640), (1464, 873760), (1524, 839360), (1720, 743712), (1830, 699008), (1905, 671488), (1920, 666242), (1952, 655320), (2032, 629520), (2064, 619760), (2440, 524256), (2540, 503616), (2580, 495808), (2623, 487680), (2752, 464820), (2928, 436880), (3048, 419680), (3440, 371856), (3660, 349504), (3810, 335744), (3840, 333121), (3904, 327660), (4064, 314760), (4128, 309880), (4880, 262128), (5080, 251808), (5160, 247904), (5246, 243840), (5461, 234240), (5504, 232410), (5856, 218440), (6096, 209840), (6880, 185928), (7320, 174752), (7620, 167872), (7747, 165120), (7808, 163830), (7869, 162560), (8128, 157380), (8256, 154940), (9760, 131064), (10160, 125904), (10320, 123952), (10492, 121920), (10922, 117120), (11008, 116205), (11712, 109220), (12192, 104920), (13115, 97536), (13760, 92964), (14640, 87376), (15240, 83936), (15494, 82560), (15616, 81915), (15738, 81280), (16256, 78690), (16383, 78080), (16512, 77470), (19520, 65532), (20320, 62952), (20640, 61976), (20984, 60960), (21844, 58560), (23241, 55040), (23424, 54610), (24384, 52460), (26230, 48768), (27305, 46848), (27520, 46482), (29280, 43688), (30480, 41968), (30988, 41280), (31476, 40640), (32512, 39345), (32766, 39040), (33024, 38735)]