81310417920

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 880

約数和(自身を含む): 325282383360

約数和(自身を除く): 243971965440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 64, 68, 72, 76, 80, 81, 85, 90, 95, 96, 102, 108, 114, 120, 128, 135, 136, 144, 152, 153, 160, 162, 170, 171, 180, 190, 192, 204, 216, 228, 240, 255, 256, 270, 272, 285, 288, 304, 306, 320, 323, 324, 340, 342, 360, 380, 384, 405, 408, 432, 456, 459, 480, 510, 512, 513, 540, 544, 570, 576, 607, 608, 612, 640, 646, 648, 680, 684, 720, 760, 765, 768, 810, 816, 855, 864, 912, 918, 960, 969, 1020, 1024, 1026, 1080, 1088, 1140, 1152, 1214, 1216, 1224, 1280, 1292, 1296, 1360, 1368, 1377, 1440, 1520, 1530, 1536, 1539, 1615, 1620, 1632, 1710, 1728, 1821, 1824, 1836, 1920, 1938, 2040, 2052, 2160, 2176, 2280, 2295, 2304, 2428, 2432, 2448, 2560, 2565, 2584, 2592, 2720, 2736, 2754, 2880, 2907, 3035, 3040, 3060, 3072, 3078, 3230, 3240, 3264, 3420, 3456, 3642, 3648, 3672, 3840, 3876, 4080, 4104, 4320, 4352, 4560, 4590, 4608, 4845, 4856, 4864, 4896, 5120, 5130, 5168, 5184, 5440, 5463, 5472, 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62016, 65280, 65556, 65664, 69120, 69198, 69768, 72840, 72960, 73440, 77520, 77696, 78336, 81945, 82080, 82552, 82688, 82944, 87040, 87210, 87408, 87552, 88128, 92264, 92871, 93024, 97120, 97280, 97920, 98334, 98496, 103190, 103360, 103680, 103797, 104652, 109260, 109440, 110160, 115330, 116280, 116544, 117504, 123120, 123828, 124032, 130560, 130815, 131112, 131328, 138240, 138396, 139536, 145680, 145920, 146880, 154785, 155040, 155392, 156672, 163890, 164160, 165104, 165376, 172995, 174420, 174816, 175104, 176256, 184528, 185742, 186048, 194240, 195840, 196061, 196668, 196992, 206380, 206720, 207360, 207594, 209304, 218520, 218880, 220320, 230660, 232560, 233088, 235008, 245835, 246240, 247656, 248064, 261120, 261630, 262224, 262656, 276792, 278613, 279072, 291360, 291840, 293760, 309570, 310080, 310784, 311391, 327780, 328320, 330208, 330752, 345990, 348840, 349632, 352512, 369056, 371484, 372096, 388480, 391680, 392122, 393336, 393984, 412760, 413440, 414720, 415188, 418608, 437040, 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2641664, 2767920, 2786130, 2790720, 2797056, 2940915, 2952448, 2971872, 2976768, 3107840, 3113910, 3136976, 3146688, 3302080, 3321504, 3343356, 3348864, 3496320, 3525120, 3529098, 3690560, 3714840, 3720960, 3736692, 3921220, 3933360, 3939840, 3962496, 4151880, 4179195, 4186080, 4195584, 4428672, 4457808, 4465152, 4661760, 4670865, 4705464, 4953120, 4961280, 4982256, 5244480, 5283328, 5293647, 5535840, 5572260, 5581440, 5594112, 5881830, 5904896, 5943744, 6227820, 6273952, 6293376, 6604160, 6643008, 6686712, 6697728, 6992640, 7050240, 7058196, 7381120, 7429680, 7441920, 7473384, 7842440, 7866720, 7879680, 7924992, 8303760, 8358390, 8372160, 8391168, 8822745, 8857344, 8915616, 8930304, 9323520, 9341730, 9410928, 9906240, 9964512, 10488960, 10566656, 10587294, 11071680, 11144520, 11162880, 11763660, 11809792, 11887488, 12455640, 12547904, 12586752, 13208320, 13286016, 13373424, 13395456, 13985280, 14116392, 14762240, 14859360, 14883840, 14946768, 15684880, 15733440, 15849984, 15880941, 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81310417920]

約数ペア:

[(1, 81310417920), (2, 40655208960), (3, 27103472640), (4, 20327604480), (5, 16262083584), (6, 13551736320), (8, 10163802240), (9, 9034490880), (10, 8131041792), (12, 6775868160), (15, 5420694528), (16, 5081901120), (17, 4782965760), (18, 4517245440), (19, 4279495680), (20, 4065520896), (24, 3387934080), (27, 3011496960), (30, 2710347264), (32, 2540950560), (34, 2391482880), (36, 2258622720), (38, 2139747840), (40, 2032760448), (45, 1806898176), (48, 1693967040), (51, 1594321920), (54, 1505748480), (57, 1426498560), (60, 1355173632), (64, 1270475280), (68, 1195741440), (72, 1129311360), (76, 1069873920), (80, 1016380224), (81, 1003832320), (85, 956593152), (90, 903449088), (95, 855899136), (96, 846983520), (102, 797160960), (108, 752874240), (114, 713249280), (120, 677586816), (128, 635237640), (135, 602299392), (136, 597870720), (144, 564655680), (152, 534936960), (153, 531440640), (160, 508190112), (162, 501916160), (170, 478296576), (171, 475499520), (180, 451724544), (190, 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