20480970240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{888931}}^1$

素因数の和:888960

約数の個数: 120

約数和(自身を含む): 70931440008

約数和(自身を除く): 50450469768

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, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 888931, 1777862, 2666793, 3555724, 4444655, 5333586, 7111448, 8000379, 8889310, 10667172, 13333965, 14222896, 16000758, 17778620, 21334344, 26667930, 28445792, 32001516, 35557240, 40001895, 42668688, 53335860, 56891584, 64003032, 71114480, 80003790, 85337376, 106671720, 113783168, 128006064, 142228960, 160007580, 170674752, 213343440, 227566336, 256012128, 284457920, 320015160, 341349504, 426686880, 455132672, 512024256, 568915840, 640030320, 682699008, 853373760, 1024048512, 1137831680, 1280060640, 1365398016, 1706747520, 2048097024, 2275663360, 2560121280, 3413495040, 4096194048, 5120242560, 6826990080, 10240485120, 20480970240]

約数ペア:

[(1, 20480970240), (2, 10240485120), (3, 6826990080), (4, 5120242560), (5, 4096194048), (6, 3413495040), (8, 2560121280), (9, 2275663360), (10, 2048097024), (12, 1706747520), (15, 1365398016), (16, 1280060640), (18, 1137831680), (20, 1024048512), (24, 853373760), (30, 682699008), (32, 640030320), (36, 568915840), (40, 512024256), (45, 455132672), (48, 426686880), (60, 341349504), (64, 320015160), (72, 284457920), (80, 256012128), (90, 227566336), (96, 213343440), (120, 170674752), (128, 160007580), (144, 142228960), (160, 128006064), (180, 113783168), (192, 106671720), (240, 85337376), (256, 80003790), (288, 71114480), (320, 64003032), (360, 56891584), (384, 53335860), (480, 42668688), (512, 40001895), (576, 35557240), (640, 32001516), (720, 28445792), (768, 26667930), (960, 21334344), (1152, 17778620), (1280, 16000758), (1440, 14222896), (1536, 13333965), (1920, 10667172), (2304, 8889310), (2560, 8000379), (2880, 7111448), (3840, 5333586), (4608, 4444655), (5760, 3555724), (7680, 2666793), (11520, 1777862), (23040, 888931)]