81445331520

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{448883}}^1$

素因数の和:448919

約数の個数: 280

約数和(自身を含む): 331104020544

約数和(自身を除く): 249658689024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5670, 6048, 6480, 6720, 7560, 8640, 9072, 10080, 11340, 12096, 12960, 15120, 18144, 20160, 22680, 25920, 30240, 36288, 45360, 60480, 90720, 181440, 448883, 897766, 1346649, 1795532, 2244415, 2693298, 3142181, 3591064, 4039947, 4488830, 5386596, 6284362, 6733245, 7182128, 8079894, 8977660, 9426543, 10773192, 12119841, 12568724, 13466490, 14364256, 15710905, 16159788, 17955320, 18853086, 20199735, 21546384, 24239682, 25137448, 26932980, 28279629, 28728512, 31421810, 32319576, 35910640, 36359523, 37706172, 40399470, 43092768, 47132715, 48479364, 50274896, 53865960, 56559258, 60599205, 62843620, 64639152, 71821280, 72719046, 75412344, 80798940, 84838887, 86185536, 94265430, 96958728, 100549792, 107731920, 113118516, 121198410, 125687240, 129278304, 141398145, 143642560, 145438092, 150824688, 161597880, 169677774, 181797615, 188530860, 193917456, 201099584, 215463840, 226237032, 242396820, 251374480, 254516661, 258556608, 282796290, 290876184, 301649376, 323195760, 339355548, 363595230, 377061720, 387834912, 424194435, 430927680, 452474064, 484793640, 502748960, 509033322, 565592580, 581752368, 603298752, 646391520, 678711096, 727190460, 754123440, 775669824, 848388870, 904948128, 969587280, 1005497920, 1018066644, 1131185160, 1163504736, 1272583305, 1292783040, 1357422192, 1454380920, 1508246880, 1696777740, 1809896256, 1939174560, 2036133288, 2262370320, 2327009472, 2545166610, 2714844384, 2908761840, 3016493760, 3393555480, 3878349120, 4072266576, 4524740640, 5090333220, 5429688768, 5817523680, 6787110960, 8144533152, 9049481280, 10180666440, 11635047360, 13574221920, 16289066304, 20361332880, 27148443840, 40722665760, 81445331520]

約数ペア:

[(1, 81445331520), (2, 40722665760), (3, 27148443840), (4, 20361332880), (5, 16289066304), (6, 13574221920), (7, 11635047360), (8, 10180666440), (9, 9049481280), (10, 8144533152), (12, 6787110960), (14, 5817523680), (15, 5429688768), (16, 5090333220), (18, 4524740640), (20, 4072266576), (21, 3878349120), (24, 3393555480), (27, 3016493760), (28, 2908761840), (30, 2714844384), (32, 2545166610), (35, 2327009472), (36, 2262370320), (40, 2036133288), (42, 1939174560), (45, 1809896256), (48, 1696777740), (54, 1508246880), (56, 1454380920), (60, 1357422192), (63, 1292783040), (64, 1272583305), (70, 1163504736), (72, 1131185160), (80, 1018066644), (81, 1005497920), (84, 969587280), (90, 904948128), (96, 848388870), (105, 775669824), (108, 754123440), (112, 727190460), (120, 678711096), (126, 646391520), (135, 603298752), (140, 581752368), (144, 565592580), (160, 509033322), (162, 502748960), (168, 484793640), (180, 452474064), (189, 430927680), (192, 424194435), (210, 387834912), (216, 377061720), (224, 363595230), (240, 339355548), (252, 323195760), (270, 301649376), (280, 290876184), (288, 282796290), (315, 258556608), (320, 254516661), (324, 251374480), (336, 242396820), (360, 226237032), (378, 215463840), (405, 201099584), (420, 193917456), (432, 188530860), (448, 181797615), (480, 169677774), (504, 161597880), (540, 150824688), (560, 145438092), (567, 143642560), (576, 141398145), (630, 129278304), (648, 125687240), (672, 121198410), (720, 113118516), (756, 107731920), (810, 100549792), (840, 96958728), (864, 94265430), (945, 86185536), (960, 84838887), (1008, 80798940), (1080, 75412344), (1120, 72719046), (1134, 71821280), (1260, 64639152), (1296, 62843620), (1344, 60599205), (1440, 56559258), (1512, 53865960), (1620, 50274896), (1680, 48479364), (1728, 47132715), (1890, 43092768), (2016, 40399470), (2160, 37706172), (2240, 36359523), (2268, 35910640), (2520, 32319576), (2592, 31421810), (2835, 28728512), (2880, 28279629), (3024, 26932980), (3240, 25137448), (3360, 24239682), (3780, 21546384), (4032, 20199735), (4320, 18853086), (4536, 17955320), (5040, 16159788), (5184, 15710905), (5670, 14364256), (6048, 13466490), (6480, 12568724), (6720, 12119841), (7560, 10773192), (8640, 9426543), (9072, 8977660), (10080, 8079894), (11340, 7182128), (12096, 6733245), (12960, 6284362), (15120, 5386596), (18144, 4488830), (20160, 4039947), (22680, 3591064), (25920, 3142181), (30240, 2693298), (36288, 2244415), (45360, 1795532), (60480, 1346649), (90720, 897766), (181440, 448883)]