255121920

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{3691}}^1$

素因数の和:3723

約数の個数: 160

約数和(自身を含む): 906459840

約数和(自身を除く): 651337920

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, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3691, 3840, 4320, 4608, 5760, 6912, 7382, 7680, 8640, 11073, 11520, 13824, 14764, 17280, 18455, 22146, 23040, 29528, 33219, 34560, 36910, 44292, 55365, 59056, 66438, 69120, 73820, 88584, 99657, 110730, 118112, 132876, 147640, 166095, 177168, 199314, 221460, 236224, 265752, 295280, 332190, 354336, 398628, 442920, 472448, 498285, 531504, 590560, 664380, 708672, 797256, 885840, 944896, 996570, 1063008, 1181120, 1328760, 1417344, 1594512, 1771680, 1889792, 1993140, 2126016, 2362240, 2657520, 2834688, 3189024, 3543360, 3986280, 4252032, 4724480, 5315040, 5669376, 6378048, 7086720, 7972560, 8504064, 9448960, 10630080, 12756096, 14173440, 15945120, 17008128, 21260160, 25512192, 28346880, 31890240, 42520320, 51024384, 63780480, 85040640, 127560960, 255121920]

約数ペア:

[(1, 255121920), (2, 127560960), (3, 85040640), (4, 63780480), (5, 51024384), (6, 42520320), (8, 31890240), (9, 28346880), (10, 25512192), (12, 21260160), (15, 17008128), (16, 15945120), (18, 14173440), (20, 12756096), (24, 10630080), (27, 9448960), (30, 8504064), (32, 7972560), (36, 7086720), (40, 6378048), (45, 5669376), (48, 5315040), (54, 4724480), (60, 4252032), (64, 3986280), (72, 3543360), (80, 3189024), (90, 2834688), (96, 2657520), (108, 2362240), (120, 2126016), (128, 1993140), (135, 1889792), (144, 1771680), (160, 1594512), (180, 1417344), (192, 1328760), (216, 1181120), (240, 1063008), (256, 996570), (270, 944896), (288, 885840), (320, 797256), (360, 708672), (384, 664380), (432, 590560), (480, 531504), (512, 498285), (540, 472448), (576, 442920), (640, 398628), (720, 354336), (768, 332190), (864, 295280), (960, 265752), (1080, 236224), (1152, 221460), (1280, 199314), (1440, 177168), (1536, 166095), (1728, 147640), (1920, 132876), (2160, 118112), (2304, 110730), (2560, 99657), (2880, 88584), (3456, 73820), (3691, 69120), (3840, 66438), (4320, 59056), (4608, 55365), (5760, 44292), (6912, 36910), (7382, 34560), (7680, 33219), (8640, 29528), (11073, 23040), (11520, 22146), (13824, 18455), (14764, 17280)]