128545920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 468547200

約数和(自身を除く): 340001280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 173, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 346, 360, 384, 387, 430, 432, 480, 516, 519, 540, 576, 640, 645, 688, 692, 720, 774, 860, 864, 865, 960, 1032, 1038, 1080, 1152, 1161, 1290, 1376, 1384, 1440, 1548, 1557, 1720, 1728, 1730, 1920, 1935, 2064, 2076, 2160, 2322, 2580, 2595, 2752, 2768, 2880, 3096, 3114, 3440, 3456, 3460, 3870, 4128, 4152, 4320, 4644, 4671, 5160, 5190, 5504, 5536, 5760, 5805, 6192, 6228, 6880, 6920, 7439, 7740, 7785, 8256, 8304, 8640, 9288, 9342, 10320, 10380, 11072, 11610, 12384, 12456, 13760, 13840, 14878, 15480, 15570, 16512, 16608, 17280, 18576, 18684, 20640, 20760, 22144, 22317, 23220, 23355, 24768, 24912, 27520, 27680, 29756, 30960, 31140, 33216, 37152, 37195, 37368, 41280, 41520, 44634, 46440, 46710, 49536, 49824, 55360, 59512, 61920, 62280, 66432, 66951, 74304, 74390, 74736, 82560, 83040, 89268, 92880, 93420, 99648, 110720, 111585, 119024, 123840, 124560, 133902, 148608, 148780, 149472, 166080, 178536, 185760, 186840, 199296, 200853, 223170, 238048, 247680, 249120, 267804, 297560, 298944, 332160, 334755, 357072, 371520, 373680, 401706, 446340, 476096, 498240, 535608, 595120, 597888, 669510, 714144, 743040, 747360, 803412, 892680, 952192, 996480, 1004265, 1071216, 1190240, 1339020, 1428288, 1494720, 1606824, 1785360, 2008530, 2142432, 2380480, 2678040, 2856576, 2989440, 3213648, 3570720, 4017060, 4284864, 4760960, 5356080, 6427296, 7141440, 8034120, 8569728, 10712160, 12854592, 14282880, 16068240, 21424320, 25709184, 32136480, 42848640, 64272960, 128545920]

約数ペア:

[(1, 128545920), (2, 64272960), (3, 42848640), (4, 32136480), (5, 25709184), (6, 21424320), (8, 16068240), (9, 14282880), (10, 12854592), (12, 10712160), (15, 8569728), (16, 8034120), (18, 7141440), (20, 6427296), (24, 5356080), (27, 4760960), (30, 4284864), (32, 4017060), (36, 3570720), (40, 3213648), (43, 2989440), (45, 2856576), (48, 2678040), (54, 2380480), (60, 2142432), (64, 2008530), (72, 1785360), (80, 1606824), (86, 1494720), (90, 1428288), (96, 1339020), (108, 1190240), (120, 1071216), (128, 1004265), (129, 996480), (135, 952192), (144, 892680), (160, 803412), (172, 747360), (173, 743040), (180, 714144), (192, 669510), (215, 597888), (216, 595120), (240, 535608), (258, 498240), (270, 476096), (288, 446340), (320, 401706), (344, 373680), (346, 371520), (360, 357072), (384, 334755), (387, 332160), (430, 298944), (432, 297560), (480, 267804), (516, 249120), (519, 247680), (540, 238048), (576, 223170), (640, 200853), (645, 199296), (688, 186840), (692, 185760), (720, 178536), (774, 166080), (860, 149472), (864, 148780), (865, 148608), (960, 133902), (1032, 124560), (1038, 123840), (1080, 119024), (1152, 111585), (1161, 110720), (1290, 99648), (1376, 93420), (1384, 92880), (1440, 89268), (1548, 83040), (1557, 82560), (1720, 74736), (1728, 74390), (1730, 74304), (1920, 66951), (1935, 66432), (2064, 62280), (2076, 61920), (2160, 59512), (2322, 55360), (2580, 49824), (2595, 49536), (2752, 46710), (2768, 46440), (2880, 44634), (3096, 41520), (3114, 41280), (3440, 37368), (3456, 37195), (3460, 37152), (3870, 33216), (4128, 31140), (4152, 30960), (4320, 29756), (4644, 27680), (4671, 27520), (5160, 24912), (5190, 24768), (5504, 23355), (5536, 23220), (5760, 22317), (5805, 22144), (6192, 20760), (6228, 20640), (6880, 18684), (6920, 18576), (7439, 17280), (7740, 16608), (7785, 16512), (8256, 15570), (8304, 15480), (8640, 14878), (9288, 13840), (9342, 13760), (10320, 12456), (10380, 12384), (11072, 11610)]