31072481280

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{18731}}^1$

素因数の和:18772

約数の個数: 260

約数和(自身を含む): 111392947512

約数和(自身を除く): 80320466232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4096, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 8640, 9216, 10240, 10368, 11520, 12288, 12960, 13824, 15360, 17280, 18432, 18731, 20480, 20736, 23040, 25920, 27648, 30720, 34560, 36864, 37462, 41472, 46080, 51840, 55296, 56193, 61440, 69120, 74924, 82944, 92160, 93655, 103680, 110592, 112386, 138240, 149848, 165888, 168579, 184320, 187310, 207360, 224772, 276480, 280965, 299696, 331776, 337158, 374620, 414720, 449544, 505737, 552960, 561930, 599392, 674316, 749240, 829440, 842895, 899088, 1011474, 1123860, 1198784, 1348632, 1498480, 1517211, 1658880, 1685790, 1798176, 2022948, 2247720, 2397568, 2528685, 2697264, 2996960, 3034422, 3371580, 3596352, 4045896, 4495440, 4795136, 5057370, 5394528, 5993920, 6068844, 6743160, 7192704, 7586055, 8091792, 8990880, 9590272, 10114740, 10789056, 11987840, 12137688, 13486320, 14385408, 15172110, 16183584, 17981760, 19180544, 20229480, 21578112, 23975680, 24275376, 26972640, 28770816, 30344220, 32367168, 35963520, 38361088, 40458960, 43156224, 47951360, 48550752, 53945280, 57541632, 60688440, 64734336, 71927040, 76722176, 80917920, 86312448, 95902720, 97101504, 107890560, 115083264, 121376880, 129468672, 143854080, 161835840, 172624896, 191805440, 194203008, 215781120, 230166528, 242753760, 258937344, 287708160, 323671680, 345249792, 383610880, 388406016, 431562240, 485507520, 517874688, 575416320, 647343360, 690499584, 776812032, 863124480, 971015040, 1035749376, 1150832640, 1294686720, 1553624064, 1726248960, 1942030080, 2071498752, 2589373440, 3107248128, 3452497920, 3884060160, 5178746880, 6214496256, 7768120320, 10357493760, 15536240640, 31072481280]

約数ペア:

[(1, 31072481280), (2, 15536240640), (3, 10357493760), (4, 7768120320), (5, 6214496256), (6, 5178746880), (8, 3884060160), (9, 3452497920), (10, 3107248128), (12, 2589373440), (15, 2071498752), (16, 1942030080), (18, 1726248960), (20, 1553624064), (24, 1294686720), (27, 1150832640), (30, 1035749376), (32, 971015040), (36, 863124480), (40, 776812032), (45, 690499584), (48, 647343360), (54, 575416320), (60, 517874688), (64, 485507520), (72, 431562240), (80, 388406016), (81, 383610880), (90, 345249792), (96, 323671680), (108, 287708160), (120, 258937344), (128, 242753760), (135, 230166528), (144, 215781120), (160, 194203008), (162, 191805440), (180, 172624896), (192, 161835840), (216, 143854080), (240, 129468672), (256, 121376880), (270, 115083264), (288, 107890560), (320, 97101504), (324, 95902720), (360, 86312448), (384, 80917920), (405, 76722176), (432, 71927040), (480, 64734336), (512, 60688440), (540, 57541632), (576, 53945280), (640, 48550752), (648, 47951360), (720, 43156224), (768, 40458960), (810, 38361088), (864, 35963520), (960, 32367168), (1024, 30344220), (1080, 28770816), (1152, 26972640), (1280, 24275376), (1296, 23975680), (1440, 21578112), (1536, 20229480), (1620, 19180544), (1728, 17981760), (1920, 16183584), (2048, 15172110), (2160, 14385408), (2304, 13486320), (2560, 12137688), (2592, 11987840), (2880, 10789056), (3072, 10114740), (3240, 9590272), (3456, 8990880), (3840, 8091792), (4096, 7586055), (4320, 7192704), (4608, 6743160), (5120, 6068844), (5184, 5993920), (5760, 5394528), (6144, 5057370), (6480, 4795136), (6912, 4495440), (7680, 4045896), (8640, 3596352), (9216, 3371580), (10240, 3034422), (10368, 2996960), (11520, 2697264), (12288, 2528685), (12960, 2397568), (13824, 2247720), (15360, 2022948), (17280, 1798176), (18432, 1685790), (18731, 1658880), (20480, 1517211), (20736, 1498480), (23040, 1348632), (25920, 1198784), (27648, 1123860), (30720, 1011474), (34560, 899088), (36864, 842895), (37462, 829440), (41472, 749240), (46080, 674316), (51840, 599392), (55296, 561930), (56193, 552960), (61440, 505737), (69120, 449544), (74924, 414720), (82944, 374620), (92160, 337158), (93655, 331776), (103680, 299696), (110592, 280965), (112386, 276480), (138240, 224772), (149848, 207360), (165888, 187310), (168579, 184320)]