19910513280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22111}}^1$

素因数の和:22207

約数の個数: 256

約数和(自身を含む): 73617039360

約数和(自身を除く): 53706526080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 67, 70, 80, 84, 96, 105, 112, 120, 128, 134, 140, 160, 168, 192, 201, 210, 224, 240, 268, 280, 320, 335, 336, 384, 402, 420, 448, 469, 480, 536, 560, 640, 670, 672, 804, 840, 896, 938, 960, 1005, 1072, 1120, 1340, 1344, 1407, 1608, 1680, 1876, 1920, 2010, 2144, 2240, 2345, 2680, 2688, 2814, 3216, 3360, 3752, 4020, 4288, 4480, 4690, 5360, 5628, 6432, 6720, 7035, 7504, 8040, 8576, 9380, 10720, 11256, 12864, 13440, 14070, 15008, 16080, 18760, 21440, 22111, 22512, 25728, 28140, 30016, 32160, 37520, 42880, 44222, 45024, 56280, 60032, 64320, 66333, 75040, 88444, 90048, 110555, 112560, 128640, 132666, 150080, 154777, 176888, 180096, 221110, 225120, 265332, 300160, 309554, 331665, 353776, 442220, 450240, 464331, 530664, 619108, 663330, 707552, 773885, 884440, 900480, 928662, 1061328, 1238216, 1326660, 1415104, 1481437, 1547770, 1768880, 1857324, 2122656, 2321655, 2476432, 2653320, 2830208, 2962874, 3095540, 3537760, 3714648, 4245312, 4444311, 4643310, 4952864, 5306640, 5925748, 6191080, 7075520, 7407185, 7429296, 8490624, 8888622, 9286620, 9905728, 10370059, 10613280, 11851496, 12382160, 14151040, 14814370, 14858592, 17777244, 18573240, 19811456, 20740118, 21226560, 22221555, 23702992, 24764320, 29628740, 29717184, 31110177, 35554488, 37146480, 41480236, 42453120, 44443110, 47405984, 49528640, 51850295, 59257480, 59434368, 62220354, 71108976, 74292960, 82960472, 88886220, 94811968, 99057280, 103700590, 118514960, 124440708, 142217952, 148585920, 155550885, 165920944, 177772440, 189623936, 207401180, 237029920, 248881416, 284435904, 297171840, 311101770, 331841888, 355544880, 414802360, 474059840, 497762832, 568871808, 622203540, 663683776, 711089760, 829604720, 948119680, 995525664, 1244407080, 1327367552, 1422179520, 1659209440, 1991051328, 2488814160, 2844359040, 3318418880, 3982102656, 4977628320, 6636837760, 9955256640, 19910513280]

約数ペア:

[(1, 19910513280), (2, 9955256640), (3, 6636837760), (4, 4977628320), (5, 3982102656), (6, 3318418880), (7, 2844359040), (8, 2488814160), (10, 1991051328), (12, 1659209440), (14, 1422179520), (15, 1327367552), (16, 1244407080), (20, 995525664), (21, 948119680), (24, 829604720), (28, 711089760), (30, 663683776), (32, 622203540), (35, 568871808), (40, 497762832), (42, 474059840), (48, 414802360), (56, 355544880), (60, 331841888), (64, 311101770), (67, 297171840), (70, 284435904), (80, 248881416), (84, 237029920), (96, 207401180), (105, 189623936), (112, 177772440), (120, 165920944), (128, 155550885), (134, 148585920), (140, 142217952), (160, 124440708), (168, 118514960), (192, 103700590), (201, 99057280), (210, 94811968), (224, 88886220), (240, 82960472), (268, 74292960), (280, 71108976), (320, 62220354), (335, 59434368), (336, 59257480), (384, 51850295), (402, 49528640), (420, 47405984), (448, 44443110), (469, 42453120), (480, 41480236), (536, 37146480), (560, 35554488), (640, 31110177), (670, 29717184), (672, 29628740), (804, 24764320), (840, 23702992), (896, 22221555), (938, 21226560), (960, 20740118), (1005, 19811456), (1072, 18573240), (1120, 17777244), (1340, 14858592), (1344, 14814370), (1407, 14151040), (1608, 12382160), (1680, 11851496), (1876, 10613280), (1920, 10370059), (2010, 9905728), (2144, 9286620), (2240, 8888622), (2345, 8490624), (2680, 7429296), (2688, 7407185), (2814, 7075520), (3216, 6191080), (3360, 5925748), (3752, 5306640), (4020, 4952864), (4288, 4643310), (4480, 4444311), (4690, 4245312), (5360, 3714648), (5628, 3537760), (6432, 3095540), (6720, 2962874), (7035, 2830208), (7504, 2653320), (8040, 2476432), (8576, 2321655), (9380, 2122656), (10720, 1857324), (11256, 1768880), (12864, 1547770), (13440, 1481437), (14070, 1415104), (15008, 1326660), (16080, 1238216), (18760, 1061328), (21440, 928662), (22111, 900480), (22512, 884440), (25728, 773885), (28140, 707552), (30016, 663330), (32160, 619108), (37520, 530664), (42880, 464331), (44222, 450240), (45024, 442220), (56280, 353776), (60032, 331665), (64320, 309554), (66333, 300160), (75040, 265332), (88444, 225120), (90048, 221110), (110555, 180096), (112560, 176888), (128640, 154777), (132666, 150080)]