1278581760

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{3083}}^1$

素因数の和:3120

約数の個数: 220

約数和(自身を含む): 4583200248

約数和(自身を除く): 3304618488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3072, 3083, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6166, 6480, 6912, 7680, 8640, 9216, 9249, 10368, 11520, 12332, 12960, 13824, 15360, 15415, 17280, 18498, 20736, 23040, 24664, 25920, 27648, 27747, 30830, 34560, 36996, 41472, 46080, 46245, 49328, 51840, 55494, 61660, 69120, 73992, 82944, 83241, 92490, 98656, 103680, 110988, 123320, 138240, 138735, 147984, 166482, 184980, 197312, 207360, 221976, 246640, 249723, 277470, 295968, 332964, 369960, 394624, 414720, 416205, 443952, 493280, 499446, 554940, 591936, 665928, 739920, 789248, 832410, 887904, 986560, 998892, 1109880, 1183872, 1248615, 1331856, 1479840, 1578496, 1664820, 1775808, 1973120, 1997784, 2219760, 2367744, 2497230, 2663712, 2959680, 3156992, 3329640, 3551616, 3946240, 3995568, 4439520, 4735488, 4994460, 5327424, 5919360, 6659280, 7103232, 7892480, 7991136, 8879040, 9470976, 9988920, 10654848, 11838720, 13318560, 14206464, 15784960, 15982272, 17758080, 19977840, 21309696, 23677440, 26637120, 28412928, 31964544, 35516160, 39955680, 42619392, 47354880, 53274240, 63929088, 71032320, 79911360, 85238784, 106548480, 127858176, 142064640, 159822720, 213096960, 255716352, 319645440, 426193920, 639290880, 1278581760]

約数ペア:

[(1, 1278581760), (2, 639290880), (3, 426193920), (4, 319645440), (5, 255716352), (6, 213096960), (8, 159822720), (9, 142064640), (10, 127858176), (12, 106548480), (15, 85238784), (16, 79911360), (18, 71032320), (20, 63929088), (24, 53274240), (27, 47354880), (30, 42619392), (32, 39955680), (36, 35516160), (40, 31964544), (45, 28412928), (48, 26637120), (54, 23677440), (60, 21309696), (64, 19977840), (72, 17758080), (80, 15982272), (81, 15784960), (90, 14206464), (96, 13318560), (108, 11838720), (120, 10654848), (128, 9988920), (135, 9470976), (144, 8879040), (160, 7991136), (162, 7892480), (180, 7103232), (192, 6659280), (216, 5919360), (240, 5327424), (256, 4994460), (270, 4735488), (288, 4439520), (320, 3995568), (324, 3946240), (360, 3551616), (384, 3329640), (405, 3156992), (432, 2959680), (480, 2663712), (512, 2497230), (540, 2367744), (576, 2219760), (640, 1997784), (648, 1973120), (720, 1775808), (768, 1664820), (810, 1578496), (864, 1479840), (960, 1331856), (1024, 1248615), (1080, 1183872), (1152, 1109880), (1280, 998892), (1296, 986560), (1440, 887904), (1536, 832410), (1620, 789248), (1728, 739920), (1920, 665928), (2160, 591936), (2304, 554940), (2560, 499446), (2592, 493280), (2880, 443952), (3072, 416205), (3083, 414720), (3240, 394624), (3456, 369960), (3840, 332964), (4320, 295968), (4608, 277470), (5120, 249723), (5184, 246640), (5760, 221976), (6166, 207360), (6480, 197312), (6912, 184980), (7680, 166482), (8640, 147984), (9216, 138735), (9249, 138240), (10368, 123320), (11520, 110988), (12332, 103680), (12960, 98656), (13824, 92490), (15360, 83241), (15415, 82944), (17280, 73992), (18498, 69120), (20736, 61660), (23040, 55494), (24664, 51840), (25920, 49328), (27648, 46245), (27747, 46080), (30830, 41472), (34560, 36996)]