31481694720

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 960

約数和(自身を含む): 132368670720

約数和(自身を除く): 100886976000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 105, 106, 112, 116, 120, 126, 127, 128, 140, 144, 145, 159, 160, 168, 174, 180, 192, 203, 210, 212, 224, 232, 240, 252, 254, 256, 261, 265, 280, 288, 290, 315, 318, 320, 336, 348, 360, 371, 381, 384, 406, 420, 424, 435, 448, 464, 477, 480, 504, 508, 512, 522, 530, 560, 576, 580, 609, 630, 635, 636, 640, 672, 696, 720, 742, 762, 768, 795, 812, 840, 848, 870, 889, 896, 928, 954, 960, 1008, 1015, 1016, 1044, 1060, 1113, 1120, 1143, 1152, 1160, 1218, 1260, 1270, 1272, 1280, 1305, 1344, 1392, 1440, 1484, 1524, 1536, 1537, 1590, 1624, 1680, 1696, 1740, 1778, 1792, 1827, 1855, 1856, 1905, 1908, 1920, 2016, 2030, 2032, 2088, 2120, 2226, 2240, 2286, 2304, 2320, 2385, 2436, 2520, 2540, 2544, 2560, 2610, 2667, 2688, 2784, 2880, 2968, 3045, 3048, 3074, 3180, 3248, 3339, 3360, 3392, 3480, 3556, 3584, 3654, 3683, 3710, 3712, 3810, 3816, 3840, 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33655, 33920, 35560, 35616, 36540, 36576, 36830, 36888, 37120, 38160, 38976, 40005, 40320, 40386, 40640, 40704, 41760, 42672, 43036, 44196, 44520, 44544, 45720, 46110, 47117, 47488, 48720, 48768, 49184, 50880, 51562, 51968, 53340, 53424, 53760, 53795, 53848, 55245, 55332, 55680, 56896, 58464, 58928, 59360, 60579, 60960, 61056, 61480, 64008, 64554, 64960, 65024, 66294, 66780, 66816, 67310, 67840, 69165, 71120, 71232, 73080, 73152, 73660, 73776, 74240, 76320, 77343, 77952, 80010, 80640, 80772, 81280, 81408, 83520, 85344, 86072, 88392, 89040, 91440, 92220, 94234, 94976, 96831, 97440, 97536, 98368, 100965, 101760, 103124, 103936, 106680, 106848, 107590, 107696, 110490, 110664, 111360, 113792, 116928, 117856, 118720, 121158, 121920, 122112, 122960, 128016, 128905, 129108, 129920, 132588, 133560, 133632, 134620, 135680, 138330, 141351, 142240, 142464, 146160, 146304, 147320, 147552, 152640, 154686, 155904, 160020, 161280, 161385, 161544, 162560, 165735, 167040, 170688, 172144, 176784, 178080, 182880, 184440, 188468, 189952, 193662, 194880, 195072, 195199, 196736, 201930, 203520, 206248, 213360, 213696, 215180, 215392, 220980, 221328, 222720, 227584, 232029, 233856, 235585, 235712, 237440, 242316, 243840, 244224, 245920, 256032, 257810, 258216, 259840, 265176, 267120, 269240, 276660, 282702, 284480, 284928, 292320, 292608, 294640, 295104, 302895, 305280, 309372, 311808, 320040, 322770, 323088, 325120, 331470, 334080, 341376, 344288, 353568, 356160, 365760, 368880, 376936, 386715, 387324, 389760, 390398, 393472, 403860, 407040, 412496, 424053, 426720, 427392, 430360, 430784, 441960, 442656, 455168, 464058, 467712, 471170, 471424, 474880, 484155, 484632, 487680, 491840, 512064, 515620, 516432, 519680, 530352, 534240, 538480, 553320, 565404, 568960, 569856, 584640, 585216, 585597, 589280, 590208, 605790, 610560, 618744, 640080, 645540, 646176, 662940, 668160, 682752, 688576, 706755, 707136, 712320, 731520, 737760, 753872, 773430, 774648, 779520, 780796, 786944, 807720, 824992, 848106, 853440, 854784, 860720, 861568, 883920, 885312, 928116, 935424, 942340, 942848, 949760, 968310, 969264, 975360, 975995, 983680, 1024128, 1031240, 1032864, 1060704, 1068480, 1076960, 1106640, 1130808, 1137920, 1160145, 1169280, 1171194, 1178560, 1180416, 1211580, 1221120, 1237488, 1280160, 1291080, 1292352, 1325880, 1365504, 1366393, 1377152, 1413510, 1414272, 1424640, 1463040, 1475520, 1507744, 1546860, 1549296, 1559040, 1561592, 1615440, 1649984, 1696212, 1706880, 1709568, 1721440, 1723136, 1756791, 1767840, 1770624, 1856232, 1884680, 1885696, 1936620, 1938528, 1951990, 1967360, 2048256, 2062480, 2065728, 2120265, 2121408, 2136960, 2153920, 2213280, 2261616, 2275840, 2320290, 2338560, 2342388, 2357120, 2360832, 2423160, 2474976, 2560320, 2582160, 2584704, 2651760, 2732786, 2754304, 2827020, 2828544, 2849280, 2926080, 2927985, 2951040, 3015488, 3093720, 3098592, 3123184, 3230880, 3299968, 3392424, 3413760, 3442880, 3446272, 3513582, 3535680, 3541248, 3712464, 3769360, 3873240, 3877056, 3903980, 3934720, 4096512, 4099179, 4124960, 4131456, 4240530, 4242816, 4273920, 4307840, 4426560, 4523232, 4640580, 4677120, 4684776, 4714240, 4846320, 4949952, 5120640, 5164320, 5169408, 5303520, 5465572, 5508608, 5654040, 5657088, 5855970, 5902080, 6030976, 6187440, 6197184, 6246368, 6461760, 6599936, 6784848, 6827520, 6831965, 6885760, 7027164, 7071360, 7082496, 7424928, 7538720, 7746480, 7754112, 7807960, 8198358, 8249920, 8262912, 8481060, 8485632, 8547840, 8615680, 8783955, 8853120, 9046464, 9281160, 9369552, 9428480, 9692640, 9899904, 10241280, 10328640, 10338816, 10607040, 10931144, 11308080, 11711940, 11804160, 12061952, 12297537, 12374880, 12394368, 12492736, 12923520, 13199872, 13569696, 13663930, 13771520, 14054328, 14142720, 14849856, 15077440, 15492960, 15508224, 15615920, 16396716, 16499840, 16525824, 16962120, 16971264, 17231360, 17567910, 17706240, 18092928, 18562320, 18739104, 19385280, 19799808, 20482560, 20495895, 20657280, 21214080, 21862288, 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約数ペア:

[(1, 31481694720), (2, 15740847360), (3, 10493898240), (4, 7870423680), (5, 6296338944), (6, 5246949120), (7, 4497384960), (8, 3935211840), (9, 3497966080), (10, 3148169472), (12, 2623474560), (14, 2248692480), (15, 2098779648), (16, 1967605920), (18, 1748983040), (20, 1574084736), (21, 1499128320), (24, 1311737280), (28, 1124346240), (29, 1085575680), (30, 1049389824), (32, 983802960), (35, 899476992), (36, 874491520), (40, 787042368), (42, 749564160), (45, 699593216), (48, 655868640), (53, 593994240), (56, 562173120), (58, 542787840), (60, 524694912), (63, 499709440), (64, 491901480), (70, 449738496), (72, 437245760), (80, 393521184), (84, 374782080), (87, 361858560), (90, 349796608), (96, 327934320), (105, 299825664), (106, 296997120), (112, 281086560), (116, 271393920), (120, 262347456), (126, 249854720), (127, 247887360), (128, 245950740), (140, 224869248), (144, 218622880), (145, 217115136), (159, 197998080), (160, 196760592), (168, 187391040), (174, 180929280), (180, 174898304), (192, 163967160), (203, 155082240), (210, 149912832), (212, 148498560), (224, 140543280), (232, 135696960), (240, 131173728), (252, 124927360), (254, 123943680), (256, 122975370), (261, 120619520), (265, 118798848), (280, 112434624), (288, 109311440), (290, 108557568), (315, 99941888), (318, 98999040), (320, 98380296), (336, 93695520), (348, 90464640), (360, 87449152), (371, 84856320), (381, 82629120), (384, 81983580), (406, 77541120), (420, 74956416), (424, 74249280), (435, 72371712), (448, 70271640), (464, 67848480), (477, 65999360), (480, 65586864), (504, 62463680), (508, 61971840), (512, 61487685), (522, 60309760), (530, 59399424), (560, 56217312), (576, 54655720), (580, 54278784), (609, 51694080), (630, 49970944), (635, 49577472), (636, 49499520), (640, 49190148), (672, 46847760), (696, 45232320), (720, 43724576), (742, 42428160), (762, 41314560), (768, 40991790), (795, 39599616), (812, 38770560), (840, 37478208), (848, 37124640), (870, 36185856), (889, 35412480), (896, 35135820), (928, 33924240), (954, 32999680), (960, 32793432), (1008, 31231840), (1015, 31016448), (1016, 30985920), (1044, 30154880), (1060, 29699712), (1113, 28285440), (1120, 28108656), (1143, 27543040), (1152, 27327860), (1160, 27139392), (1218, 25847040), (1260, 24985472), (1270, 24788736), (1272, 24749760), (1280, 24595074), (1305, 24123904), (1344, 23423880), (1392, 22616160), (1440, 21862288), (1484, 21214080), (1524, 20657280), (1536, 20495895), (1537, 20482560), (1590, 19799808), (1624, 19385280), (1680, 18739104), (1696, 18562320), (1740, 18092928), (1778, 17706240), (1792, 17567910), (1827, 17231360), (1855, 16971264), (1856, 16962120), (1905, 16525824), (1908, 16499840), (1920, 16396716), (2016, 15615920), (2030, 15508224), (2032, 15492960), (2088, 15077440), (2120, 14849856), (2226, 14142720), (2240, 14054328), (2286, 13771520), (2304, 13663930), (2320, 13569696), (2385, 13199872), (2436, 12923520), (2520, 12492736), (2540, 12394368), (2544, 12374880), (2560, 12297537), (2610, 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(133632, 235585), (134620, 233856), (135680, 232029), (138330, 227584), (141351, 222720), (142240, 221328), (142464, 220980), (146160, 215392), (146304, 215180), (147320, 213696), (147552, 213360), (152640, 206248), (154686, 203520), (155904, 201930), (160020, 196736), (161280, 195199), (161385, 195072), (161544, 194880), (162560, 193662), (165735, 189952), (167040, 188468), (170688, 184440), (172144, 182880), (176784, 178080)]