16720945920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2053}}^1$

素因数の和:2188

約数の個数: 432

約数和(自身を含む): 66804558912

約数和(自身を除く): 50083612992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 101, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 202, 210, 224, 240, 252, 256, 280, 288, 303, 315, 320, 336, 360, 384, 404, 420, 448, 480, 504, 505, 560, 576, 606, 630, 640, 672, 707, 720, 768, 808, 840, 896, 909, 960, 1008, 1010, 1120, 1152, 1212, 1260, 1280, 1344, 1414, 1440, 1515, 1616, 1680, 1792, 1818, 1920, 2016, 2020, 2053, 2121, 2240, 2304, 2424, 2520, 2688, 2828, 2880, 3030, 3232, 3360, 3535, 3636, 3840, 4032, 4040, 4106, 4242, 4480, 4545, 4848, 5040, 5376, 5656, 5760, 6060, 6159, 6363, 6464, 6720, 7070, 7272, 8064, 8080, 8212, 8484, 8960, 9090, 9696, 10080, 10265, 10605, 11312, 11520, 12120, 12318, 12726, 12928, 13440, 14140, 14371, 14544, 16128, 16160, 16424, 16968, 18180, 18477, 19392, 20160, 20530, 21210, 22624, 24240, 24636, 25452, 25856, 26880, 28280, 28742, 29088, 30795, 31815, 32320, 32848, 33936, 36360, 36954, 38784, 40320, 41060, 42420, 43113, 45248, 48480, 49272, 50904, 56560, 57484, 58176, 61590, 63630, 64640, 65696, 67872, 71855, 72720, 73908, 77568, 80640, 82120, 84840, 86226, 90496, 92385, 96960, 98544, 101808, 113120, 114968, 116352, 123180, 127260, 129280, 129339, 131392, 135744, 143710, 145440, 147816, 164240, 169680, 172452, 180992, 184770, 193920, 197088, 203616, 207353, 215565, 226240, 229936, 232704, 246360, 254520, 258678, 262784, 271488, 287420, 290880, 295632, 328480, 339360, 344904, 369540, 387840, 394176, 407232, 414706, 431130, 452480, 459872, 492720, 509040, 517356, 525568, 542976, 574840, 581760, 591264, 622059, 646695, 656960, 678720, 689808, 739080, 788352, 814464, 829412, 862260, 904960, 919744, 985440, 1018080, 1034712, 1036765, 1149680, 1163520, 1182528, 1244118, 1293390, 1313920, 1357440, 1379616, 1451471, 1478160, 1576704, 1628928, 1658824, 1724520, 1839488, 1866177, 1970880, 2036160, 2069424, 2073530, 2299360, 2365056, 2488236, 2586780, 2627840, 2714880, 2759232, 2902942, 2956320, 3110295, 3317648, 3449040, 3678976, 3732354, 3941760, 4072320, 4138848, 4147060, 4354413, 4598720, 4730112, 4976472, 5173560, 5518464, 5805884, 5912640, 6220590, 6635296, 6898080, 7257355, 7464708, 7883520, 8144640, 8277696, 8294120, 8708826, 9197440, 9330885, 9952944, 10347120, 11036928, 11611768, 11825280, 12441180, 13063239, 13270592, 13796160, 14514710, 14929416, 16555392, 16588240, 17417652, 18394880, 18661770, 19905888, 20694240, 21772065, 23223536, 23650560, 24882360, 26126478, 26541184, 27592320, 29029420, 29858832, 33110784, 33176480, 34835304, 37323540, 39811776, 41388480, 43544130, 46447072, 49764720, 52252956, 53082368, 55184640, 58058840, 59717664, 65316195, 66352960, 69670608, 74647080, 79623552, 82776960, 87088260, 92894144, 99529440, 104505912, 116117680, 119435328, 130632390, 132705920, 139341216, 149294160, 159247104, 165553920, 174176520, 185788288, 199058880, 209011824, 232235360, 238870656, 261264780, 265411840, 278682432, 298588320, 348353040, 371576576, 398117760, 418023648, 464470720, 477741312, 522529560, 557364864, 597176640, 696706080, 796235520, 836047296, 928941440, 1045059120, 1114729728, 1194353280, 1393412160, 1672094592, 1857882880, 2090118240, 2388706560, 2786824320, 3344189184, 4180236480, 5573648640, 8360472960, 16720945920]

約数ペア:

[(1, 16720945920), (2, 8360472960), (3, 5573648640), (4, 4180236480), (5, 3344189184), (6, 2786824320), (7, 2388706560), (8, 2090118240), (9, 1857882880), (10, 1672094592), (12, 1393412160), (14, 1194353280), (15, 1114729728), (16, 1045059120), (18, 928941440), (20, 836047296), (21, 796235520), (24, 696706080), (28, 597176640), (30, 557364864), (32, 522529560), (35, 477741312), (36, 464470720), (40, 418023648), (42, 398117760), (45, 371576576), (48, 348353040), (56, 298588320), (60, 278682432), (63, 265411840), (64, 261264780), (70, 238870656), (72, 232235360), (80, 209011824), (84, 199058880), (90, 185788288), (96, 174176520), (101, 165553920), (105, 159247104), (112, 149294160), (120, 139341216), (126, 132705920), (128, 130632390), (140, 119435328), (144, 116117680), (160, 104505912), (168, 99529440), (180, 92894144), (192, 87088260), (202, 82776960), (210, 79623552), (224, 74647080), (240, 69670608), (252, 66352960), (256, 65316195), (280, 59717664), (288, 58058840), (303, 55184640), (315, 53082368), (320, 52252956), (336, 49764720), (360, 46447072), (384, 43544130), (404, 41388480), (420, 39811776), (448, 37323540), (480, 34835304), (504, 33176480), (505, 33110784), (560, 29858832), (576, 29029420), (606, 27592320), (630, 26541184), (640, 26126478), (672, 24882360), (707, 23650560), (720, 23223536), (768, 21772065), (808, 20694240), (840, 19905888), (896, 18661770), (909, 18394880), (960, 17417652), (1008, 16588240), (1010, 16555392), (1120, 14929416), (1152, 14514710), (1212, 13796160), (1260, 13270592), (1280, 13063239), (1344, 12441180), (1414, 11825280), (1440, 11611768), (1515, 11036928), (1616, 10347120), (1680, 9952944), (1792, 9330885), (1818, 9197440), (1920, 8708826), (2016, 8294120), (2020, 8277696), (2053, 8144640), (2121, 7883520), (2240, 7464708), (2304, 7257355), (2424, 6898080), (2520, 6635296), (2688, 6220590), (2828, 5912640), (2880, 5805884), (3030, 5518464), (3232, 5173560), (3360, 4976472), (3535, 4730112), (3636, 4598720), (3840, 4354413), (4032, 4147060), (4040, 4138848), (4106, 4072320), (4242, 3941760), (4480, 3732354), (4545, 3678976), (4848, 3449040), (5040, 3317648), (5376, 3110295), (5656, 2956320), (5760, 2902942), (6060, 2759232), (6159, 2714880), (6363, 2627840), (6464, 2586780), (6720, 2488236), (7070, 2365056), (7272, 2299360), (8064, 2073530), (8080, 2069424), (8212, 2036160), (8484, 1970880), (8960, 1866177), (9090, 1839488), (9696, 1724520), (10080, 1658824), (10265, 1628928), (10605, 1576704), (11312, 1478160), (11520, 1451471), (12120, 1379616), (12318, 1357440), (12726, 1313920), (12928, 1293390), (13440, 1244118), (14140, 1182528), (14371, 1163520), (14544, 1149680), (16128, 1036765), (16160, 1034712), (16424, 1018080), (16968, 985440), (18180, 919744), (18477, 904960), (19392, 862260), (20160, 829412), (20530, 814464), (21210, 788352), (22624, 739080), (24240, 689808), (24636, 678720), (25452, 656960), (25856, 646695), (26880, 622059), (28280, 591264), (28742, 581760), (29088, 574840), (30795, 542976), (31815, 525568), (32320, 517356), (32848, 509040), (33936, 492720), (36360, 459872), (36954, 452480), (38784, 431130), (40320, 414706), (41060, 407232), (42420, 394176), (43113, 387840), (45248, 369540), (48480, 344904), (49272, 339360), (50904, 328480), (56560, 295632), (57484, 290880), (58176, 287420), (61590, 271488), (63630, 262784), (64640, 258678), (65696, 254520), (67872, 246360), (71855, 232704), (72720, 229936), (73908, 226240), (77568, 215565), (80640, 207353), (82120, 203616), (84840, 197088), (86226, 193920), (90496, 184770), (92385, 180992), (96960, 172452), (98544, 169680), (101808, 164240), (113120, 147816), (114968, 145440), (116352, 143710), (123180, 135744), (127260, 131392), (129280, 129339)]