1278555840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 280

約数和(自身を含む): 4600510992

約数和(自身を除く): 3321955152

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, 107, 108, 120, 135, 144, 160, 162, 180, 192, 214, 216, 240, 270, 288, 320, 321, 324, 360, 405, 428, 432, 461, 480, 535, 540, 576, 642, 648, 720, 810, 856, 864, 922, 960, 963, 1070, 1080, 1284, 1296, 1383, 1440, 1605, 1620, 1712, 1728, 1844, 1926, 2140, 2160, 2305, 2568, 2592, 2766, 2880, 2889, 3210, 3240, 3424, 3688, 3852, 4149, 4280, 4320, 4610, 4815, 5136, 5184, 5532, 5778, 6420, 6480, 6848, 6915, 7376, 7704, 8298, 8560, 8640, 8667, 9220, 9630, 10272, 11064, 11556, 12447, 12840, 12960, 13830, 14445, 14752, 15408, 16596, 17120, 17334, 18440, 19260, 20544, 20745, 22128, 23112, 24894, 25680, 25920, 27660, 28890, 29504, 30816, 33192, 34240, 34668, 36880, 37341, 38520, 41490, 43335, 44256, 46224, 49327, 49788, 51360, 55320, 57780, 61632, 62235, 66384, 69336, 73760, 74682, 77040, 82980, 86670, 88512, 92448, 98654, 99576, 102720, 110640, 115560, 124470, 132768, 138672, 147520, 147981, 149364, 154080, 165960, 173340, 184896, 186705, 197308, 199152, 221280, 231120, 246635, 248940, 265536, 277344, 295962, 298728, 308160, 331920, 346680, 373410, 394616, 398304, 442560, 443943, 462240, 493270, 497880, 554688, 591924, 597456, 663840, 693360, 739905, 746820, 789232, 796608, 887886, 924480, 986540, 995760, 1183848, 1194912, 1327680, 1331829, 1386720, 1479810, 1493640, 1578464, 1775772, 1973080, 1991520, 2219715, 2367696, 2389824, 2663658, 2773440, 2959620, 2987280, 3156928, 3551544, 3946160, 3983040, 3995487, 4439430, 4735392, 5327316, 5919240, 5974560, 6659145, 7103088, 7892320, 7990974, 8878860, 9470784, 10654632, 11838480, 11949120, 13318290, 14206176, 15784640, 15981948, 17757720, 19977435, 21309264, 23676960, 26636580, 28412352, 31963896, 35515440, 39954870, 42618528, 47353920, 53273160, 63927792, 71030880, 79909740, 85237056, 106546320, 127855584, 142061760, 159819480, 213092640, 255711168, 319638960, 426185280, 639277920, 1278555840]

約数ペア:

[(1, 1278555840), (2, 639277920), (3, 426185280), (4, 319638960), (5, 255711168), (6, 213092640), (8, 159819480), (9, 142061760), (10, 127855584), (12, 106546320), (15, 85237056), (16, 79909740), (18, 71030880), (20, 63927792), (24, 53273160), (27, 47353920), (30, 42618528), (32, 39954870), (36, 35515440), (40, 31963896), (45, 28412352), (48, 26636580), (54, 23676960), (60, 21309264), (64, 19977435), (72, 17757720), (80, 15981948), (81, 15784640), (90, 14206176), (96, 13318290), (107, 11949120), (108, 11838480), (120, 10654632), (135, 9470784), (144, 8878860), (160, 7990974), (162, 7892320), (180, 7103088), (192, 6659145), (214, 5974560), (216, 5919240), (240, 5327316), (270, 4735392), (288, 4439430), (320, 3995487), (321, 3983040), (324, 3946160), (360, 3551544), (405, 3156928), (428, 2987280), (432, 2959620), (461, 2773440), (480, 2663658), (535, 2389824), (540, 2367696), (576, 2219715), (642, 1991520), (648, 1973080), (720, 1775772), (810, 1578464), (856, 1493640), (864, 1479810), (922, 1386720), (960, 1331829), (963, 1327680), (1070, 1194912), (1080, 1183848), (1284, 995760), (1296, 986540), (1383, 924480), (1440, 887886), (1605, 796608), (1620, 789232), (1712, 746820), (1728, 739905), (1844, 693360), (1926, 663840), (2140, 597456), (2160, 591924), (2305, 554688), (2568, 497880), (2592, 493270), (2766, 462240), (2880, 443943), (2889, 442560), (3210, 398304), (3240, 394616), (3424, 373410), (3688, 346680), (3852, 331920), (4149, 308160), (4280, 298728), (4320, 295962), (4610, 277344), (4815, 265536), (5136, 248940), (5184, 246635), (5532, 231120), (5778, 221280), (6420, 199152), (6480, 197308), (6848, 186705), (6915, 184896), (7376, 173340), (7704, 165960), (8298, 154080), (8560, 149364), (8640, 147981), (8667, 147520), (9220, 138672), (9630, 132768), (10272, 124470), (11064, 115560), (11556, 110640), (12447, 102720), (12840, 99576), (12960, 98654), (13830, 92448), (14445, 88512), (14752, 86670), (15408, 82980), (16596, 77040), (17120, 74682), (17334, 73760), (18440, 69336), (19260, 66384), (20544, 62235), (20745, 61632), (22128, 57780), (23112, 55320), (24894, 51360), (25680, 49788), (25920, 49327), (27660, 46224), (28890, 44256), (29504, 43335), (30816, 41490), (33192, 38520), (34240, 37341), (34668, 36880)]