255553920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 256

約数和(自身を含む): 945907200

約数和(自身を除く): 690353280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 576, 621, 640, 643, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1152, 1242, 1286, 1380, 1440, 1472, 1656, 1728, 1840, 1920, 1929, 2070, 2160, 2208, 2484, 2572, 2760, 2880, 2944, 3105, 3215, 3312, 3456, 3680, 3858, 4140, 4320, 4416, 4968, 5144, 5520, 5760, 5787, 6210, 6430, 6624, 7360, 7716, 8280, 8640, 8832, 9645, 9936, 10288, 11040, 11574, 12420, 12860, 13248, 14720, 14789, 15432, 16560, 17280, 17361, 19290, 19872, 20576, 22080, 23148, 24840, 25720, 26496, 28935, 29578, 30864, 33120, 34722, 38580, 39744, 41152, 44160, 44367, 46296, 49680, 51440, 57870, 59156, 61728, 66240, 69444, 73945, 77160, 79488, 82304, 86805, 88734, 92592, 99360, 102880, 115740, 118312, 123456, 132480, 133101, 138888, 147890, 154320, 173610, 177468, 185184, 198720, 205760, 221835, 231480, 236624, 246912, 266202, 277776, 295780, 308640, 347220, 354936, 370368, 397440, 399303, 411520, 443670, 462960, 473248, 532404, 555552, 591560, 617280, 665505, 694440, 709872, 740736, 798606, 887340, 925920, 946496, 1064808, 1111104, 1183120, 1234560, 1331010, 1388880, 1419744, 1597212, 1774680, 1851840, 1892992, 1996515, 2129616, 2222208, 2366240, 2662020, 2777760, 2839488, 3194424, 3549360, 3703680, 3993030, 4259232, 4732480, 5324040, 5555520, 5678976, 6388848, 7098720, 7986060, 8518464, 9464960, 10648080, 11111040, 12777696, 14197440, 15972120, 17036928, 21296160, 25555392, 28394880, 31944240, 42592320, 51110784, 63888480, 85184640, 127776960, 255553920]

約数ペア:

[(1, 255553920), (2, 127776960), (3, 85184640), (4, 63888480), (5, 51110784), (6, 42592320), (8, 31944240), (9, 28394880), (10, 25555392), (12, 21296160), (15, 17036928), (16, 15972120), (18, 14197440), (20, 12777696), (23, 11111040), (24, 10648080), (27, 9464960), (30, 8518464), (32, 7986060), (36, 7098720), (40, 6388848), (45, 5678976), (46, 5555520), (48, 5324040), (54, 4732480), (60, 4259232), (64, 3993030), (69, 3703680), (72, 3549360), (80, 3194424), (90, 2839488), (92, 2777760), (96, 2662020), (108, 2366240), (115, 2222208), (120, 2129616), (128, 1996515), (135, 1892992), (138, 1851840), (144, 1774680), (160, 1597212), (180, 1419744), (184, 1388880), (192, 1331010), (207, 1234560), (216, 1183120), (230, 1111104), (240, 1064808), (270, 946496), (276, 925920), (288, 887340), (320, 798606), (345, 740736), (360, 709872), (368, 694440), (384, 665505), (414, 617280), (432, 591560), (460, 555552), (480, 532404), (540, 473248), (552, 462960), (576, 443670), (621, 411520), (640, 399303), (643, 397440), (690, 370368), (720, 354936), (736, 347220), (828, 308640), (864, 295780), (920, 277776), (960, 266202), (1035, 246912), (1080, 236624), (1104, 231480), (1152, 221835), (1242, 205760), (1286, 198720), (1380, 185184), (1440, 177468), (1472, 173610), (1656, 154320), (1728, 147890), (1840, 138888), (1920, 133101), (1929, 132480), (2070, 123456), (2160, 118312), (2208, 115740), (2484, 102880), (2572, 99360), (2760, 92592), (2880, 88734), (2944, 86805), (3105, 82304), (3215, 79488), (3312, 77160), (3456, 73945), (3680, 69444), (3858, 66240), (4140, 61728), (4320, 59156), (4416, 57870), (4968, 51440), (5144, 49680), (5520, 46296), (5760, 44367), (5787, 44160), (6210, 41152), (6430, 39744), (6624, 38580), (7360, 34722), (7716, 33120), (8280, 30864), (8640, 29578), (8832, 28935), (9645, 26496), (9936, 25720), (10288, 24840), (11040, 23148), (11574, 22080), (12420, 20576), (12860, 19872), (13248, 19290), (14720, 17361), (14789, 17280), (15432, 16560)]