1287521280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{27941}}^1$

素因数の和:27972

約数の個数: 132

約数和(自身を含む): 4461387372

約数和(自身を除く): 3173866092

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, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 9216, 11520, 15360, 23040, 27941, 46080, 55882, 83823, 111764, 139705, 167646, 223528, 251469, 279410, 335292, 419115, 447056, 502938, 558820, 670584, 838230, 894112, 1005876, 1117640, 1257345, 1341168, 1676460, 1788224, 2011752, 2235280, 2514690, 2682336, 3352920, 3576448, 4023504, 4470560, 5029380, 5364672, 6705840, 7152896, 8047008, 8941120, 10058760, 10729344, 13411680, 14305792, 16094016, 17882240, 20117520, 21458688, 26823360, 28611584, 32188032, 35764480, 40235040, 42917376, 53646720, 64376064, 71528960, 80470080, 85834752, 107293440, 128752128, 143057920, 160940160, 214586880, 257504256, 321880320, 429173760, 643760640, 1287521280]

約数ペア:

[(1, 1287521280), (2, 643760640), (3, 429173760), (4, 321880320), (5, 257504256), (6, 214586880), (8, 160940160), (9, 143057920), (10, 128752128), (12, 107293440), (15, 85834752), (16, 80470080), (18, 71528960), (20, 64376064), (24, 53646720), (30, 42917376), (32, 40235040), (36, 35764480), (40, 32188032), (45, 28611584), (48, 26823360), (60, 21458688), (64, 20117520), (72, 17882240), (80, 16094016), (90, 14305792), (96, 13411680), (120, 10729344), (128, 10058760), (144, 8941120), (160, 8047008), (180, 7152896), (192, 6705840), (240, 5364672), (256, 5029380), (288, 4470560), (320, 4023504), (360, 3576448), (384, 3352920), (480, 2682336), (512, 2514690), (576, 2235280), (640, 2011752), (720, 1788224), (768, 1676460), (960, 1341168), (1024, 1257345), (1152, 1117640), (1280, 1005876), (1440, 894112), (1536, 838230), (1920, 670584), (2304, 558820), (2560, 502938), (2880, 447056), (3072, 419115), (3840, 335292), (4608, 279410), (5120, 251469), (5760, 223528), (7680, 167646), (9216, 139705), (11520, 111764), (15360, 83823), (23040, 55882), (27941, 46080)]