278507520

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{1511}}^1$

素因数の和:1546

約数の個数: 156

約数和(自身を含む): 966013776

約数和(自身を除く): 687506256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1511, 1536, 1920, 2048, 2304, 2560, 2880, 3022, 3072, 3840, 4096, 4533, 4608, 5120, 5760, 6044, 6144, 7555, 7680, 9066, 9216, 10240, 11520, 12088, 12288, 13599, 15110, 15360, 18132, 18432, 20480, 22665, 23040, 24176, 27198, 30220, 30720, 36264, 36864, 45330, 46080, 48352, 54396, 60440, 61440, 67995, 72528, 90660, 92160, 96704, 108792, 120880, 135990, 145056, 181320, 184320, 193408, 217584, 241760, 271980, 290112, 362640, 386816, 435168, 483520, 543960, 580224, 725280, 773632, 870336, 967040, 1087920, 1160448, 1450560, 1547264, 1740672, 1934080, 2175840, 2320896, 2901120, 3094528, 3481344, 3868160, 4351680, 4641792, 5802240, 6189056, 6962688, 7736320, 8703360, 9283584, 11604480, 13925376, 15472640, 17406720, 18567168, 23208960, 27850752, 30945280, 34813440, 46417920, 55701504, 69626880, 92835840, 139253760, 278507520]

約数ペア:

[(1, 278507520), (2, 139253760), (3, 92835840), (4, 69626880), (5, 55701504), (6, 46417920), (8, 34813440), (9, 30945280), (10, 27850752), (12, 23208960), (15, 18567168), (16, 17406720), (18, 15472640), (20, 13925376), (24, 11604480), (30, 9283584), (32, 8703360), (36, 7736320), (40, 6962688), (45, 6189056), (48, 5802240), (60, 4641792), (64, 4351680), (72, 3868160), (80, 3481344), (90, 3094528), (96, 2901120), (120, 2320896), (128, 2175840), (144, 1934080), (160, 1740672), (180, 1547264), (192, 1450560), (240, 1160448), (256, 1087920), (288, 967040), (320, 870336), (360, 773632), (384, 725280), (480, 580224), (512, 543960), (576, 483520), (640, 435168), (720, 386816), (768, 362640), (960, 290112), (1024, 271980), (1152, 241760), (1280, 217584), (1440, 193408), (1511, 184320), (1536, 181320), (1920, 145056), (2048, 135990), (2304, 120880), (2560, 108792), (2880, 96704), (3022, 92160), (3072, 90660), (3840, 72528), (4096, 67995), (4533, 61440), (4608, 60440), (5120, 54396), (5760, 48352), (6044, 46080), (6144, 45330), (7555, 36864), (7680, 36264), (9066, 30720), (9216, 30220), (10240, 27198), (11520, 24176), (12088, 23040), (12288, 22665), (13599, 20480), (15110, 18432), (15360, 18132)]