81924480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:470

約数の個数: 256

約数和(自身を含む): 317260800

約数和(自身を除く): 235336320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 431, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 792, 862, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1293, 1320, 1408, 1440, 1485, 1584, 1724, 1728, 1760, 1920, 1980, 2112, 2155, 2160, 2376, 2586, 2640, 2880, 2970, 3168, 3448, 3456, 3520, 3879, 3960, 4224, 4310, 4320, 4741, 4752, 5172, 5280, 5760, 5940, 6336, 6465, 6896, 7040, 7758, 7920, 8620, 8640, 9482, 9504, 10344, 10560, 11637, 11880, 12672, 12930, 13792, 14223, 15516, 15840, 17240, 17280, 18964, 19008, 19395, 20688, 21120, 23274, 23705, 23760, 25860, 27584, 28446, 31032, 31680, 34480, 37928, 38016, 38790, 41376, 42669, 46548, 47410, 47520, 51720, 55168, 56892, 58185, 62064, 63360, 68960, 71115, 75856, 77580, 82752, 85338, 93096, 94820, 95040, 103440, 113784, 116370, 124128, 128007, 137920, 142230, 151712, 155160, 165504, 170676, 186192, 189640, 190080, 206880, 213345, 227568, 232740, 248256, 256014, 275840, 284460, 303424, 310320, 341352, 372384, 379280, 413760, 426690, 455136, 465480, 496512, 512028, 568920, 606848, 620640, 640035, 682704, 744768, 758560, 827520, 853380, 910272, 930960, 1024056, 1137840, 1241280, 1280070, 1365408, 1489536, 1517120, 1706760, 1820544, 1861920, 2048112, 2275680, 2482560, 2560140, 2730816, 3034240, 3413520, 3723840, 4096224, 4551360, 5120280, 5461632, 6827040, 7447680, 8192448, 9102720, 10240560, 13654080, 16384896, 20481120, 27308160, 40962240, 81924480]

約数ペア:

[(1, 81924480), (2, 40962240), (3, 27308160), (4, 20481120), (5, 16384896), (6, 13654080), (8, 10240560), (9, 9102720), (10, 8192448), (11, 7447680), (12, 6827040), (15, 5461632), (16, 5120280), (18, 4551360), (20, 4096224), (22, 3723840), (24, 3413520), (27, 3034240), (30, 2730816), (32, 2560140), (33, 2482560), (36, 2275680), (40, 2048112), (44, 1861920), (45, 1820544), (48, 1706760), (54, 1517120), (55, 1489536), (60, 1365408), (64, 1280070), (66, 1241280), (72, 1137840), (80, 1024056), (88, 930960), (90, 910272), (96, 853380), (99, 827520), (108, 758560), (110, 744768), (120, 682704), (128, 640035), (132, 620640), (135, 606848), (144, 568920), (160, 512028), (165, 496512), (176, 465480), (180, 455136), (192, 426690), (198, 413760), (216, 379280), (220, 372384), (240, 341352), (264, 310320), (270, 303424), (288, 284460), (297, 275840), (320, 256014), (330, 248256), (352, 232740), (360, 227568), (384, 213345), (396, 206880), (431, 190080), (432, 189640), (440, 186192), (480, 170676), (495, 165504), (528, 155160), (540, 151712), (576, 142230), (594, 137920), (640, 128007), (660, 124128), (704, 116370), (720, 113784), (792, 103440), (862, 95040), (864, 94820), (880, 93096), (960, 85338), (990, 82752), (1056, 77580), (1080, 75856), (1152, 71115), (1188, 68960), (1293, 63360), (1320, 62064), (1408, 58185), (1440, 56892), (1485, 55168), (1584, 51720), (1724, 47520), (1728, 47410), (1760, 46548), (1920, 42669), (1980, 41376), (2112, 38790), (2155, 38016), (2160, 37928), (2376, 34480), (2586, 31680), (2640, 31032), (2880, 28446), (2970, 27584), (3168, 25860), (3448, 23760), (3456, 23705), (3520, 23274), (3879, 21120), (3960, 20688), (4224, 19395), (4310, 19008), (4320, 18964), (4741, 17280), (4752, 17240), (5172, 15840), (5280, 15516), (5760, 14223), (5940, 13792), (6336, 12930), (6465, 12672), (6896, 11880), (7040, 11637), (7758, 10560), (7920, 10344), (8620, 9504), (8640, 9482)]