19744945920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 864

約数和(自身を含む): 84180096000

約数和(自身を除く): 64435150080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 112, 114, 120, 126, 128, 133, 140, 144, 147, 152, 160, 168, 171, 180, 190, 192, 196, 210, 224, 228, 240, 245, 252, 256, 263, 266, 280, 285, 288, 294, 304, 315, 320, 336, 342, 343, 360, 380, 384, 392, 399, 420, 441, 448, 456, 480, 490, 504, 526, 532, 560, 570, 576, 588, 608, 630, 640, 665, 672, 684, 686, 720, 735, 760, 768, 784, 789, 798, 840, 855, 882, 896, 912, 931, 960, 980, 1008, 1029, 1052, 1064, 1120, 1140, 1152, 1176, 1197, 1216, 1260, 1280, 1315, 1330, 1344, 1368, 1372, 1440, 1470, 1520, 1568, 1578, 1596, 1680, 1710, 1715, 1764, 1792, 1824, 1841, 1862, 1920, 1960, 1995, 2016, 2058, 2104, 2128, 2205, 2240, 2280, 2304, 2352, 2367, 2394, 2432, 2520, 2630, 2660, 2688, 2736, 2744, 2793, 2880, 2940, 3040, 3087, 3136, 3156, 3192, 3360, 3420, 3430, 3528, 3648, 3682, 3724, 3840, 3920, 3945, 3990, 4032, 4116, 4208, 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42080, 42560, 43776, 43904, 44184, 44688, 44973, 47040, 47340, 47880, 49392, 49970, 50496, 51072, 51548, 52136, 54720, 54880, 55230, 55860, 56448, 58653, 58912, 59584, 59964, 61740, 62720, 63120, 63840, 64435, 65170, 65856, 66276, 67032, 67328, 69958, 70560, 72960, 73640, 74480, 74955, 75744, 76608, 77322, 78204, 79952, 80640, 82320, 82845, 83790, 84160, 85120, 87808, 88368, 89376, 89946, 90209, 94080, 94680, 95760, 97755, 98784, 99940, 100992, 102144, 103096, 104272, 104937, 109440, 109760, 110460, 111720, 112896, 115983, 117306, 117824, 119168, 119928, 123480, 126240, 127680, 128870, 130340, 131712, 132552, 134064, 139916, 141120, 147280, 148960, 149910, 151488, 153216, 154644, 156408, 159904, 164640, 165690, 167580, 168320, 170240, 174895, 176736, 178752, 179892, 180418, 188160, 189360, 191520, 193305, 195510, 197568, 199880, 201984, 206192, 208544, 209874, 218880, 219520, 220920, 223440, 224865, 231966, 234612, 235648, 238336, 239856, 244853, 246960, 252480, 255360, 257740, 260680, 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10073952, 10283826, 10604160, 10725120, 10825080, 11018385, 11193280, 11513088, 11546752, 11752944, 12371520, 12512640, 12592440, 12990096, 13431936, 13711768, 14391360, 14433440, 14691180, 14845824, 15015168, 15425739, 15670592, 16237620, 16495360, 16789920, 17139710, 17320128, 17629416, 18557280, 18768960, 19188480, 19588240, 20147904, 20567652, 21208320, 21650160, 22036770, 22386560, 23093504, 23505888, 24743040, 25025280, 25184880, 25709565, 25980192, 26863872, 27423536, 28782720, 28866880, 29382360, 29691648, 30851478, 31341184, 32475240, 33579840, 34279420, 34640256, 35258832, 37114560, 37537920, 39176480, 40295808, 41135304, 43300320, 44073540, 44773120, 47011776, 49486080, 50369760, 51419130, 51960384, 54847072, 57565440, 57733760, 58764720, 61702956, 62682368, 64950480, 67159680, 68558840, 69280512, 70517664, 74229120, 75075840, 77128695, 78352960, 80591616, 82270608, 86600640, 88147080, 94023552, 100739520, 102838260, 103920768, 109694144, 115467520, 117529440, 123405912, 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約数ペア:

[(1, 19744945920), (2, 9872472960), (3, 6581648640), (4, 4936236480), (5, 3948989184), (6, 3290824320), (7, 2820706560), (8, 2468118240), (9, 2193882880), (10, 1974494592), (12, 1645412160), (14, 1410353280), (15, 1316329728), (16, 1234059120), (18, 1096941440), (19, 1039207680), (20, 987247296), (21, 940235520), (24, 822706080), (28, 705176640), (30, 658164864), (32, 617029560), (35, 564141312), (36, 548470720), (38, 519603840), (40, 493623648), (42, 470117760), (45, 438776576), (48, 411353040), (49, 402958080), (56, 352588320), (57, 346402560), (60, 329082432), (63, 313411840), (64, 308514780), (70, 282070656), (72, 274235360), (76, 259801920), (80, 246811824), (84, 235058880), (90, 219388288), (95, 207841536), (96, 205676520), (98, 201479040), (105, 188047104), (112, 176294160), (114, 173201280), (120, 164541216), (126, 156705920), (128, 154257390), (133, 148458240), (140, 141035328), (144, 137117680), (147, 134319360), (152, 129900960), (160, 123405912), (168, 117529440), (171, 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