20158552960

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:494

約数の個数: 384

約数和(自身を含む): 60920022240

約数和(自身を除く): 40761469280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 197, 208, 224, 245, 251, 260, 280, 320, 364, 392, 394, 416, 448, 455, 490, 502, 520, 560, 637, 640, 728, 784, 788, 832, 896, 910, 980, 985, 1004, 1040, 1120, 1255, 1274, 1379, 1456, 1568, 1576, 1664, 1757, 1820, 1960, 1970, 2008, 2080, 2240, 2510, 2548, 2561, 2758, 2912, 3136, 3152, 3185, 3263, 3514, 3640, 3920, 3940, 4016, 4160, 4480, 5020, 5096, 5122, 5516, 5824, 6272, 6304, 6370, 6526, 6895, 7028, 7280, 7840, 7880, 8032, 8320, 8785, 9653, 10040, 10192, 10244, 11032, 11648, 12299, 12608, 12740, 12805, 13052, 13790, 14056, 14560, 15680, 15760, 16064, 16315, 17570, 17927, 19306, 20080, 20384, 20488, 22064, 22841, 24598, 25216, 25480, 25610, 26104, 27580, 28112, 29120, 31360, 31520, 32128, 32630, 35140, 35854, 38612, 40160, 40768, 40976, 44128, 45682, 48265, 49196, 49447, 50960, 51220, 52208, 55160, 56224, 58240, 61495, 63040, 65260, 70280, 71708, 77224, 80320, 81536, 81952, 88256, 89635, 91364, 96530, 98392, 98894, 101920, 102440, 104416, 110320, 112448, 114205, 122990, 125489, 126080, 130520, 140560, 143416, 154448, 159887, 160640, 163904, 176512, 179270, 182728, 193060, 196784, 197788, 203840, 204880, 208832, 220640, 224896, 228410, 245980, 247235, 250978, 261040, 281120, 286832, 308896, 319774, 327808, 346129, 358540, 365456, 386120, 393568, 395576, 407680, 409760, 417664, 441280, 456820, 491960, 494470, 501956, 522080, 562240, 573664, 617792, 627445, 639548, 642811, 692258, 717080, 730912, 772240, 787136, 791152, 799435, 819520, 882560, 913640, 983920, 988940, 1003912, 1044160, 1124480, 1147328, 1235584, 1254890, 1279096, 1285622, 1384516, 1434160, 1461824, 1544480, 1574272, 1582304, 1598870, 1639040, 1730645, 1827280, 1967840, 1977880, 2007824, 2088320, 2294656, 2422903, 2509780, 2558192, 2571244, 2769032, 2868320, 2923648, 3088960, 3164608, 3197740, 3214055, 3461290, 3654560, 3935680, 3955760, 4015648, 4499677, 4845806, 5019560, 5116384, 5142488, 5538064, 5736640, 6177920, 6329216, 6395480, 6428110, 6922580, 7309120, 7871360, 7911520, 8031296, 8999354, 9691612, 10039120, 10232768, 10284976, 11076128, 11473280, 12114515, 12790960, 12856220, 13845160, 14618240, 15823040, 16062592, 17998708, 19383224, 20078240, 20465536, 20569952, 22152256, 22498385, 24229030, 25581920, 25712440, 27690320, 31497739, 31646080, 35997416, 38766448, 40156480, 41139904, 44304512, 44996770, 48458060, 51163840, 51424880, 55380640, 62995478, 71994832, 77532896, 80312960, 82279808, 89993540, 96916120, 102327680, 102849760, 110761280, 125990956, 143989664, 155065792, 157488695, 179987080, 193832240, 205699520, 221522560, 251981912, 287979328, 310131584, 314977390, 359974160, 387664480, 411399040, 503963824, 575958656, 629954780, 719948320, 775328960, 1007927648, 1259909560, 1439896640, 1550657920, 2015855296, 2519819120, 2879793280, 4031710592, 5039638240, 10079276480, 20158552960]

約数ペア:

[(1, 20158552960), (2, 10079276480), (4, 5039638240), (5, 4031710592), (7, 2879793280), (8, 2519819120), (10, 2015855296), (13, 1550657920), (14, 1439896640), (16, 1259909560), (20, 1007927648), (26, 775328960), (28, 719948320), (32, 629954780), (35, 575958656), (40, 503963824), (49, 411399040), (52, 387664480), (56, 359974160), (64, 314977390), (65, 310131584), (70, 287979328), (80, 251981912), (91, 221522560), (98, 205699520), (104, 193832240), (112, 179987080), (128, 157488695), (130, 155065792), (140, 143989664), (160, 125990956), (182, 110761280), (196, 102849760), (197, 102327680), (208, 96916120), (224, 89993540), (245, 82279808), (251, 80312960), (260, 77532896), (280, 71994832), (320, 62995478), (364, 55380640), (392, 51424880), (394, 51163840), (416, 48458060), (448, 44996770), (455, 44304512), (490, 41139904), (502, 40156480), (520, 38766448), (560, 35997416), (637, 31646080), (640, 31497739), (728, 27690320), (784, 25712440), (788, 25581920), (832, 24229030), (896, 22498385), (910, 22152256), (980, 20569952), (985, 20465536), (1004, 20078240), (1040, 19383224), (1120, 17998708), (1255, 16062592), (1274, 15823040), (1379, 14618240), (1456, 13845160), (1568, 12856220), (1576, 12790960), (1664, 12114515), (1757, 11473280), (1820, 11076128), (1960, 10284976), (1970, 10232768), (2008, 10039120), (2080, 9691612), (2240, 8999354), (2510, 8031296), (2548, 7911520), (2561, 7871360), (2758, 7309120), (2912, 6922580), (3136, 6428110), (3152, 6395480), (3185, 6329216), (3263, 6177920), (3514, 5736640), (3640, 5538064), (3920, 5142488), (3940, 5116384), (4016, 5019560), (4160, 4845806), (4480, 4499677), (5020, 4015648), (5096, 3955760), (5122, 3935680), (5516, 3654560), (5824, 3461290), (6272, 3214055), (6304, 3197740), (6370, 3164608), (6526, 3088960), (6895, 2923648), (7028, 2868320), (7280, 2769032), (7840, 2571244), (7880, 2558192), (8032, 2509780), (8320, 2422903), (8785, 2294656), (9653, 2088320), (10040, 2007824), (10192, 1977880), (10244, 1967840), (11032, 1827280), (11648, 1730645), (12299, 1639040), (12608, 1598870), (12740, 1582304), (12805, 1574272), (13052, 1544480), (13790, 1461824), (14056, 1434160), (14560, 1384516), (15680, 1285622), (15760, 1279096), (16064, 1254890), (16315, 1235584), (17570, 1147328), (17927, 1124480), (19306, 1044160), (20080, 1003912), (20384, 988940), (20488, 983920), (22064, 913640), (22841, 882560), (24598, 819520), (25216, 799435), (25480, 791152), (25610, 787136), (26104, 772240), (27580, 730912), (28112, 717080), (29120, 692258), (31360, 642811), (31520, 639548), (32128, 627445), (32630, 617792), (35140, 573664), (35854, 562240), (38612, 522080), (40160, 501956), (40768, 494470), (40976, 491960), (44128, 456820), (45682, 441280), (48265, 417664), (49196, 409760), (49447, 407680), (50960, 395576), (51220, 393568), (52208, 386120), (55160, 365456), (56224, 358540), (58240, 346129), (61495, 327808), (63040, 319774), (65260, 308896), (70280, 286832), (71708, 281120), (77224, 261040), (80320, 250978), (81536, 247235), (81952, 245980), (88256, 228410), (89635, 224896), (91364, 220640), (96530, 208832), (98392, 204880), (98894, 203840), (101920, 197788), (102440, 196784), (104416, 193060), (110320, 182728), (112448, 179270), (114205, 176512), (122990, 163904), (125489, 160640), (126080, 159887), (130520, 154448), (140560, 143416)]