81910496640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{24281}}^1$

素因数の和:24561

約数の個数: 256

約数和(自身を含む): 299589373440

約数和(自身を除く): 217678876800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 251, 280, 320, 336, 384, 420, 448, 480, 502, 560, 640, 672, 753, 840, 896, 960, 1004, 1120, 1255, 1344, 1506, 1680, 1757, 1920, 2008, 2240, 2510, 2688, 3012, 3360, 3514, 3765, 4016, 4480, 5020, 5271, 6024, 6720, 7028, 7530, 8032, 8785, 10040, 10542, 12048, 13440, 14056, 15060, 16064, 17570, 20080, 21084, 24096, 24281, 26355, 28112, 30120, 32128, 35140, 40160, 42168, 48192, 48562, 52710, 56224, 60240, 70280, 72843, 80320, 84336, 96384, 97124, 105420, 112448, 120480, 121405, 140560, 145686, 160640, 168672, 169967, 194248, 210840, 224896, 240960, 242810, 281120, 291372, 337344, 339934, 364215, 388496, 421680, 481920, 485620, 509901, 562240, 582744, 674688, 679868, 728430, 776992, 843360, 849835, 971240, 1019802, 1124480, 1165488, 1359736, 1456860, 1553984, 1686720, 1699670, 1942480, 2039604, 2330976, 2549505, 2719472, 2913720, 3107968, 3373440, 3399340, 3884960, 4079208, 4661952, 5099010, 5438944, 5827440, 6094531, 6798680, 7769920, 8158416, 9323904, 10198020, 10877888, 11654880, 12189062, 13597360, 15539840, 16316832, 18283593, 20396040, 21755776, 23309760, 24378124, 27194720, 30472655, 32633664, 36567186, 40792080, 42661717, 46619520, 48756248, 54389440, 60945310, 65267328, 73134372, 81584160, 85323434, 91417965, 97512496, 108778880, 121890620, 127985151, 146268744, 163168320, 170646868, 182835930, 195024992, 213308585, 243781240, 255970302, 292537488, 326336640, 341293736, 365671860, 390049984, 426617170, 487562480, 511940604, 585074976, 639925755, 682587472, 731343720, 780099968, 853234340, 975124960, 1023881208, 1170149952, 1279851510, 1365174944, 1462687440, 1706468680, 1950249920, 2047762416, 2340299904, 2559703020, 2730349888, 2925374880, 3412937360, 3900499840, 4095524832, 5119406040, 5460699776, 5850749760, 6825874720, 8191049664, 10238812080, 11701499520, 13651749440, 16382099328, 20477624160, 27303498880, 40955248320, 81910496640]

約数ペア:

[(1, 81910496640), (2, 40955248320), (3, 27303498880), (4, 20477624160), (5, 16382099328), (6, 13651749440), (7, 11701499520), (8, 10238812080), (10, 8191049664), (12, 6825874720), (14, 5850749760), (15, 5460699776), (16, 5119406040), (20, 4095524832), (21, 3900499840), (24, 3412937360), (28, 2925374880), (30, 2730349888), (32, 2559703020), (35, 2340299904), (40, 2047762416), (42, 1950249920), (48, 1706468680), (56, 1462687440), (60, 1365174944), (64, 1279851510), (70, 1170149952), (80, 1023881208), (84, 975124960), (96, 853234340), (105, 780099968), (112, 731343720), (120, 682587472), (128, 639925755), (140, 585074976), (160, 511940604), (168, 487562480), (192, 426617170), (210, 390049984), (224, 365671860), (240, 341293736), (251, 326336640), (280, 292537488), (320, 255970302), (336, 243781240), (384, 213308585), (420, 195024992), (448, 182835930), (480, 170646868), (502, 163168320), (560, 146268744), (640, 127985151), (672, 121890620), (753, 108778880), (840, 97512496), (896, 91417965), (960, 85323434), (1004, 81584160), (1120, 73134372), (1255, 65267328), (1344, 60945310), (1506, 54389440), (1680, 48756248), (1757, 46619520), (1920, 42661717), (2008, 40792080), (2240, 36567186), (2510, 32633664), (2688, 30472655), (3012, 27194720), (3360, 24378124), (3514, 23309760), (3765, 21755776), (4016, 20396040), (4480, 18283593), (5020, 16316832), (5271, 15539840), (6024, 13597360), (6720, 12189062), (7028, 11654880), (7530, 10877888), (8032, 10198020), (8785, 9323904), (10040, 8158416), (10542, 7769920), (12048, 6798680), (13440, 6094531), (14056, 5827440), (15060, 5438944), (16064, 5099010), (17570, 4661952), (20080, 4079208), (21084, 3884960), (24096, 3399340), (24281, 3373440), (26355, 3107968), (28112, 2913720), (30120, 2719472), (32128, 2549505), (35140, 2330976), (40160, 2039604), (42168, 1942480), (48192, 1699670), (48562, 1686720), (52710, 1553984), (56224, 1456860), (60240, 1359736), (70280, 1165488), (72843, 1124480), (80320, 1019802), (84336, 971240), (96384, 849835), (97124, 843360), (105420, 776992), (112448, 728430), (120480, 679868), (121405, 674688), (140560, 582744), (145686, 562240), (160640, 509901), (168672, 485620), (169967, 481920), (194248, 421680), (210840, 388496), (224896, 364215), (240960, 339934), (242810, 337344), (281120, 291372)]