21515588640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{164191}}^1$

素因数の和:164232

約数の個数: 288

約数和(自身を含む): 90366022656

約数和(自身を除く): 68850434016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 5040, 5460, 6240, 6552, 7280, 8190, 8736, 9360, 10080, 10920, 13104, 14560, 16380, 18720, 21840, 26208, 32760, 43680, 65520, 131040, 164191, 328382, 492573, 656764, 820955, 985146, 1149337, 1313528, 1477719, 1641910, 1970292, 2134483, 2298674, 2462865, 2627056, 2955438, 3283820, 3448011, 3940584, 4268966, 4597348, 4925730, 5254112, 5746685, 5910876, 6403449, 6567640, 6896022, 7388595, 7881168, 8537932, 9194696, 9851460, 10344033, 10672415, 11493370, 11821752, 12806898, 13135280, 13792044, 14777190, 14941381, 15762336, 17075864, 17240055, 18389392, 19210347, 19702920, 20688066, 21344830, 22986740, 23643504, 25613796, 26270560, 27584088, 29554380, 29882762, 32017245, 34151728, 34480110, 36778784, 38420694, 39405840, 41376132, 42689660, 44824143, 45973480, 47287008, 51227592, 51720165, 55168176, 59108760, 59765524, 64034490, 68303456, 68960220, 74706905, 76841388, 78811680, 82752264, 85379320, 89648286, 91946960, 96051735, 102455184, 103440330, 110336352, 118217520, 119531048, 128068980, 134472429, 137920440, 149413810, 153682776, 165504528, 170758640, 179296572, 183893920, 192103470, 204910368, 206880660, 224120715, 236435040, 239062096, 256137960, 268944858, 275840880, 298827620, 307365552, 331009056, 341517280, 358593144, 384206940, 413761320, 448241430, 478124192, 512275920, 537889716, 551681760, 597655240, 614731104, 672362145, 717186288, 768413880, 827522640, 896482860, 1024551840, 1075779432, 1195310480, 1344724290, 1434372576, 1536827760, 1655045280, 1792965720, 2151558864, 2390620960, 2689448580, 3073655520, 3585931440, 4303117728, 5378897160, 7171862880, 10757794320, 21515588640]

約数ペア:

[(1, 21515588640), (2, 10757794320), (3, 7171862880), (4, 5378897160), (5, 4303117728), (6, 3585931440), (7, 3073655520), (8, 2689448580), (9, 2390620960), (10, 2151558864), (12, 1792965720), (13, 1655045280), (14, 1536827760), (15, 1434372576), (16, 1344724290), (18, 1195310480), (20, 1075779432), (21, 1024551840), (24, 896482860), (26, 827522640), (28, 768413880), (30, 717186288), (32, 672362145), (35, 614731104), (36, 597655240), (39, 551681760), (40, 537889716), (42, 512275920), (45, 478124192), (48, 448241430), (52, 413761320), (56, 384206940), (60, 358593144), (63, 341517280), (65, 331009056), (70, 307365552), (72, 298827620), (78, 275840880), (80, 268944858), (84, 256137960), (90, 239062096), (91, 236435040), (96, 224120715), (104, 206880660), (105, 204910368), (112, 192103470), (117, 183893920), (120, 179296572), (126, 170758640), (130, 165504528), (140, 153682776), (144, 149413810), (156, 137920440), (160, 134472429), (168, 128068980), (180, 119531048), (182, 118217520), (195, 110336352), (208, 103440330), (210, 102455184), (224, 96051735), (234, 91946960), (240, 89648286), (252, 85379320), (260, 82752264), (273, 78811680), (280, 76841388), (288, 74706905), (312, 68960220), (315, 68303456), (336, 64034490), (360, 59765524), (364, 59108760), (390, 55168176), (416, 51720165), (420, 51227592), (455, 47287008), (468, 45973480), (480, 44824143), (504, 42689660), (520, 41376132), (546, 39405840), (560, 38420694), (585, 36778784), (624, 34480110), (630, 34151728), (672, 32017245), (720, 29882762), (728, 29554380), (780, 27584088), (819, 26270560), (840, 25613796), (910, 23643504), (936, 22986740), (1008, 21344830), (1040, 20688066), (1092, 19702920), (1120, 19210347), (1170, 18389392), (1248, 17240055), (1260, 17075864), (1365, 15762336), (1440, 14941381), (1456, 14777190), (1560, 13792044), (1638, 13135280), (1680, 12806898), (1820, 11821752), (1872, 11493370), (2016, 10672415), (2080, 10344033), (2184, 9851460), (2340, 9194696), (2520, 8537932), (2730, 7881168), (2912, 7388595), (3120, 6896022), (3276, 6567640), (3360, 6403449), (3640, 5910876), (3744, 5746685), (4095, 5254112), (4368, 4925730), (4680, 4597348), (5040, 4268966), (5460, 3940584), (6240, 3448011), (6552, 3283820), (7280, 2955438), (8190, 2627056), (8736, 2462865), (9360, 2298674), (10080, 2134483), (10920, 1970292), (13104, 1641910), (14560, 1477719), (16380, 1313528), (18720, 1149337), (21840, 985146), (26208, 820955), (32760, 656764), (43680, 492573), (65520, 328382), (131040, 164191)]