81645281280

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{221477}}^1$

素因数の和:221514

約数の個数: 168

約数和(自身を含む): 283020977772

約数和(自身を除く): 201375696492

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, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4096, 4608, 5120, 5760, 6144, 7680, 8192, 9216, 10240, 11520, 12288, 15360, 18432, 20480, 23040, 24576, 30720, 36864, 40960, 46080, 61440, 73728, 92160, 122880, 184320, 221477, 368640, 442954, 664431, 885908, 1107385, 1328862, 1771816, 1993293, 2214770, 2657724, 3322155, 3543632, 3986586, 4429540, 5315448, 6644310, 7087264, 7973172, 8859080, 9966465, 10630896, 13288620, 14174528, 15946344, 17718160, 19932930, 21261792, 26577240, 28349056, 31892688, 35436320, 39865860, 42523584, 53154480, 56698112, 63785376, 70872640, 79731720, 85047168, 106308960, 113396224, 127570752, 141745280, 159463440, 170094336, 212617920, 226792448, 255141504, 283490560, 318926880, 340188672, 425235840, 453584896, 510283008, 566981120, 637853760, 680377344, 850471680, 907169792, 1020566016, 1133962240, 1275707520, 1360754688, 1700943360, 1814339584, 2041132032, 2267924480, 2551415040, 2721509376, 3401886720, 4082264064, 4535848960, 5102830080, 5443018752, 6803773440, 8164528128, 9071697920, 10205660160, 13607546880, 16329056256, 20411320320, 27215093760, 40822640640, 81645281280]

約数ペア:

[(1, 81645281280), (2, 40822640640), (3, 27215093760), (4, 20411320320), (5, 16329056256), (6, 13607546880), (8, 10205660160), (9, 9071697920), (10, 8164528128), (12, 6803773440), (15, 5443018752), (16, 5102830080), (18, 4535848960), (20, 4082264064), (24, 3401886720), (30, 2721509376), (32, 2551415040), (36, 2267924480), (40, 2041132032), (45, 1814339584), (48, 1700943360), (60, 1360754688), (64, 1275707520), (72, 1133962240), (80, 1020566016), (90, 907169792), (96, 850471680), (120, 680377344), (128, 637853760), (144, 566981120), (160, 510283008), (180, 453584896), (192, 425235840), (240, 340188672), (256, 318926880), (288, 283490560), (320, 255141504), (360, 226792448), (384, 212617920), (480, 170094336), (512, 159463440), (576, 141745280), (640, 127570752), (720, 113396224), (768, 106308960), (960, 85047168), (1024, 79731720), (1152, 70872640), (1280, 63785376), (1440, 56698112), (1536, 53154480), (1920, 42523584), (2048, 39865860), (2304, 35436320), (2560, 31892688), (2880, 28349056), (3072, 26577240), (3840, 21261792), (4096, 19932930), (4608, 17718160), (5120, 15946344), (5760, 14174528), (6144, 13288620), (7680, 10630896), (8192, 9966465), (9216, 8859080), (10240, 7973172), (11520, 7087264), (12288, 6644310), (15360, 5315448), (18432, 4429540), (20480, 3986586), (23040, 3543632), (24576, 3322155), (30720, 2657724), (36864, 2214770), (40960, 1993293), (46080, 1771816), (61440, 1328862), (73728, 1107385), (92160, 885908), (122880, 664431), (184320, 442954), (221477, 368640)]