256020480

素因数分解:

$2^{12}\times 3^3\times 5^1\times {\mathrm{463}}^1$

素因数の和:501

約数の個数: 208

約数和(自身を含む): 912149760

約数和(自身を除く): 656129280

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 463, 480, 512, 540, 576, 640, 720, 768, 864, 926, 960, 1024, 1080, 1152, 1280, 1389, 1440, 1536, 1728, 1852, 1920, 2048, 2160, 2304, 2315, 2560, 2778, 2880, 3072, 3456, 3704, 3840, 4096, 4167, 4320, 4608, 4630, 5120, 5556, 5760, 6144, 6912, 6945, 7408, 7680, 8334, 8640, 9216, 9260, 10240, 11112, 11520, 12288, 12501, 13824, 13890, 14816, 15360, 16668, 17280, 18432, 18520, 20480, 20835, 22224, 23040, 25002, 27648, 27780, 29632, 30720, 33336, 34560, 36864, 37040, 41670, 44448, 46080, 50004, 55296, 55560, 59264, 61440, 62505, 66672, 69120, 74080, 83340, 88896, 92160, 100008, 110592, 111120, 118528, 125010, 133344, 138240, 148160, 166680, 177792, 184320, 200016, 222240, 237056, 250020, 266688, 276480, 296320, 333360, 355584, 400032, 444480, 474112, 500040, 533376, 552960, 592640, 666720, 711168, 800064, 888960, 948224, 1000080, 1066752, 1185280, 1333440, 1422336, 1600128, 1777920, 1896448, 2000160, 2133504, 2370560, 2666880, 2844672, 3200256, 3555840, 4000320, 4267008, 4741120, 5333760, 5689344, 6400512, 7111680, 8000640, 8534016, 9482240, 10667520, 12801024, 14223360, 16001280, 17068032, 21335040, 25602048, 28446720, 32002560, 42670080, 51204096, 64005120, 85340160, 128010240, 256020480]

約数ペア:

[(1, 256020480), (2, 128010240), (3, 85340160), (4, 64005120), (5, 51204096), (6, 42670080), (8, 32002560), (9, 28446720), (10, 25602048), (12, 21335040), (15, 17068032), (16, 16001280), (18, 14223360), (20, 12801024), (24, 10667520), (27, 9482240), (30, 8534016), (32, 8000640), (36, 7111680), (40, 6400512), (45, 5689344), (48, 5333760), (54, 4741120), (60, 4267008), (64, 4000320), (72, 3555840), (80, 3200256), (90, 2844672), (96, 2666880), (108, 2370560), (120, 2133504), (128, 2000160), (135, 1896448), (144, 1777920), (160, 1600128), (180, 1422336), (192, 1333440), (216, 1185280), (240, 1066752), (256, 1000080), (270, 948224), (288, 888960), (320, 800064), (360, 711168), (384, 666720), (432, 592640), (463, 552960), (480, 533376), (512, 500040), (540, 474112), (576, 444480), (640, 400032), (720, 355584), (768, 333360), (864, 296320), (926, 276480), (960, 266688), (1024, 250020), (1080, 237056), (1152, 222240), (1280, 200016), (1389, 184320), (1440, 177792), (1536, 166680), (1728, 148160), (1852, 138240), (1920, 133344), (2048, 125010), (2160, 118528), (2304, 111120), (2315, 110592), (2560, 100008), (2778, 92160), (2880, 88896), (3072, 83340), (3456, 74080), (3704, 69120), (3840, 66672), (4096, 62505), (4167, 61440), (4320, 59264), (4608, 55560), (4630, 55296), (5120, 50004), (5556, 46080), (5760, 44448), (6144, 41670), (6912, 37040), (6945, 36864), (7408, 34560), (7680, 33336), (8334, 30720), (8640, 29632), (9216, 27780), (9260, 27648), (10240, 25002), (11112, 23040), (11520, 22224), (12288, 20835), (12501, 20480), (13824, 18520), (13890, 18432), (14816, 17280), (15360, 16668)]