28252800

素因数分解:

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

素因数の和:145

約数の個数: 240

約数和(自身を含む): 105215550

約数和(自身を除く): 76962750

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 109, 120, 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 218, 225, 240, 270, 288, 300, 320, 324, 327, 360, 384, 400, 405, 432, 436, 450, 480, 540, 545, 576, 600, 640, 648, 654, 675, 720, 800, 810, 864, 872, 900, 960, 981, 1080, 1090, 1152, 1200, 1296, 1308, 1350, 1440, 1600, 1620, 1635, 1728, 1744, 1800, 1920, 1962, 2025, 2160, 2180, 2400, 2592, 2616, 2700, 2725, 2880, 2943, 3200, 3240, 3270, 3456, 3488, 3600, 3924, 4050, 4320, 4360, 4800, 4905, 5184, 5232, 5400, 5450, 5760, 5886, 6480, 6540, 6976, 7200, 7848, 8100, 8175, 8640, 8720, 8829, 9600, 9810, 10368, 10464, 10800, 10900, 11772, 12960, 13080, 13952, 14400, 14715, 15696, 16200, 16350, 17280, 17440, 17658, 19620, 20928, 21600, 21800, 23544, 24525, 25920, 26160, 28800, 29430, 31392, 32400, 32700, 34880, 35316, 39240, 41856, 43200, 43600, 44145, 47088, 49050, 51840, 52320, 58860, 62784, 64800, 65400, 69760, 70632, 73575, 78480, 86400, 87200, 88290, 94176, 98100, 104640, 117720, 125568, 129600, 130800, 141264, 147150, 156960, 174400, 176580, 188352, 196200, 209280, 220725, 235440, 259200, 261600, 282528, 294300, 313920, 348800, 353160, 376704, 392400, 441450, 470880, 523200, 565056, 588600, 627840, 706320, 784800, 882900, 941760, 1046400, 1130112, 1177200, 1412640, 1569600, 1765800, 1883520, 2354400, 2825280, 3139200, 3531600, 4708800, 5650560, 7063200, 9417600, 14126400, 28252800]

約数ペア:

[(1, 28252800), (2, 14126400), (3, 9417600), (4, 7063200), (5, 5650560), (6, 4708800), (8, 3531600), (9, 3139200), (10, 2825280), (12, 2354400), (15, 1883520), (16, 1765800), (18, 1569600), (20, 1412640), (24, 1177200), (25, 1130112), (27, 1046400), (30, 941760), (32, 882900), (36, 784800), (40, 706320), (45, 627840), (48, 588600), (50, 565056), (54, 523200), (60, 470880), (64, 441450), (72, 392400), (75, 376704), (80, 353160), (81, 348800), (90, 313920), (96, 294300), (100, 282528), (108, 261600), (109, 259200), (120, 235440), (128, 220725), (135, 209280), (144, 196200), (150, 188352), (160, 176580), (162, 174400), (180, 156960), (192, 147150), (200, 141264), (216, 130800), (218, 129600), (225, 125568), (240, 117720), (270, 104640), (288, 98100), (300, 94176), (320, 88290), (324, 87200), (327, 86400), (360, 78480), (384, 73575), (400, 70632), (405, 69760), (432, 65400), (436, 64800), (450, 62784), (480, 58860), (540, 52320), (545, 51840), (576, 49050), (600, 47088), (640, 44145), (648, 43600), (654, 43200), (675, 41856), (720, 39240), (800, 35316), (810, 34880), (864, 32700), (872, 32400), (900, 31392), (960, 29430), (981, 28800), (1080, 26160), (1090, 25920), (1152, 24525), (1200, 23544), (1296, 21800), (1308, 21600), (1350, 20928), (1440, 19620), (1600, 17658), (1620, 17440), (1635, 17280), (1728, 16350), (1744, 16200), (1800, 15696), (1920, 14715), (1962, 14400), (2025, 13952), (2160, 13080), (2180, 12960), (2400, 11772), (2592, 10900), (2616, 10800), (2700, 10464), (2725, 10368), (2880, 9810), (2943, 9600), (3200, 8829), (3240, 8720), (3270, 8640), (3456, 8175), (3488, 8100), (3600, 7848), (3924, 7200), (4050, 6976), (4320, 6540), (4360, 6480), (4800, 5886), (4905, 5760), (5184, 5450), (5232, 5400)]