20489969520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 640

約数和(自身を含む): 77189345280

約数和(自身を除く): 56699375760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 37, 40, 45, 46, 48, 54, 60, 69, 71, 72, 74, 80, 90, 92, 108, 111, 115, 120, 135, 138, 142, 144, 148, 157, 180, 184, 185, 207, 213, 216, 222, 230, 240, 270, 276, 284, 296, 314, 333, 345, 355, 360, 368, 370, 414, 426, 432, 444, 460, 471, 540, 552, 555, 568, 592, 621, 628, 639, 666, 690, 710, 720, 740, 785, 828, 851, 852, 888, 920, 942, 999, 1035, 1065, 1080, 1104, 1110, 1136, 1242, 1256, 1278, 1332, 1380, 1413, 1420, 1480, 1570, 1633, 1656, 1665, 1702, 1704, 1776, 1840, 1884, 1917, 1998, 2070, 2130, 2160, 2220, 2355, 2484, 2512, 2553, 2556, 2627, 2664, 2760, 2826, 2840, 2960, 3105, 3140, 3195, 3266, 3312, 3330, 3404, 3408, 3611, 3768, 3834, 3996, 4140, 4239, 4255, 4260, 4440, 4710, 4899, 4968, 4995, 5106, 5112, 5254, 5328, 5520, 5652, 5680, 5809, 6210, 6280, 6390, 6532, 6660, 6808, 7065, 7222, 7536, 7659, 7668, 7881, 7992, 8165, 8280, 8478, 8510, 8520, 8880, 9420, 9585, 9798, 9936, 9990, 10212, 10224, 10508, 10833, 11147, 11304, 11618, 12420, 12560, 12765, 12780, 13064, 13135, 13320, 13616, 14130, 14444, 14697, 15318, 15336, 15762, 15984, 16330, 16560, 16956, 17020, 17040, 17427, 18055, 18840, 19170, 19596, 19980, 20424, 21016, 21195, 21666, 22294, 22608, 22977, 23236, 23643, 24495, 24840, 25530, 25560, 26128, 26270, 26640, 28260, 28888, 29045, 29394, 30636, 30672, 31524, 32499, 32660, 33441, 33912, 34040, 34854, 36110, 37680, 38295, 38340, 39192, 39405, 39960, 40848, 42032, 42390, 43332, 44091, 44588, 45954, 46472, 47286, 48990, 49680, 51060, 51120, 52281, 52540, 54165, 55735, 56520, 57776, 58090, 58788, 60421, 61272, 63048, 64998, 65320, 66882, 67824, 68080, 69708, 70929, 72220, 73485, 76590, 76680, 78384, 78810, 79920, 84780, 86664, 87135, 88182, 89176, 91908, 92944, 94572, 97497, 97980, 100323, 102120, 104562, 105080, 108330, 111470, 113040, 114885, 116180, 117576, 118215, 120842, 122544, 126096, 129996, 130640, 133607, 133764, 139416, 141858, 144440, 146970, 153180, 153360, 156843, 157620, 162495, 167205, 169560, 173328, 174270, 176364, 178352, 181263, 183816, 189144, 194994, 195960, 200646, 204240, 209124, 210160, 216660, 220455, 222940, 229770, 232360, 235152, 236430, 241684, 256381, 259992, 261405, 267214, 267528, 278832, 283716, 288880, 293940, 300969, 302105, 306360, 313686, 315240, 324990, 334410, 339120, 348540, 352728, 354645, 362526, 367632, 378288, 389988, 391920, 400821, 401292, 412439, 418248, 433320, 440910, 445880, 459540, 464720, 472860, 483368, 487485, 501615, 512762, 519984, 522810, 534428, 535056, 543789, 567432, 587880, 601938, 604210, 612720, 627372, 630480, 649980, 668035, 668820, 697080, 705456, 709290, 725052, 769143, 779976, 784215, 801642, 802584, 824878, 836496, 866640, 881820, 891760, 906315, 919080, 945720, 966736, 974970, 1003230, 1025524, 1045620, 1068856, 1087578, 1134864, 1175760, 1202463, 1203876, 1208420, 1237317, 1254744, 1281905, 1299960, 1336070, 1337640, 1394160, 1418580, 1450104, 1504845, 1538286, 1559952, 1568430, 1603284, 1605168, 1631367, 1649756, 1763640, 1812630, 1838160, 1891440, 1949940, 2004105, 2006460, 2051048, 2062195, 2091240, 2137712, 2175156, 2307429, 2404926, 2407752, 2416840, 2474634, 2509488, 2563810, 2599920, 2672140, 2675280, 2718945, 2837160, 2900208, 3009690, 3076572, 3136860, 3206568, 3262734, 3299512, 3527280, 3607389, 3625260, 3711951, 3845715, 3899880, 4008210, 4012920, 4102096, 4124390, 4182480, 4350312, 4614858, 4809852, 4815504, 4833680, 4949268, 5127620, 5344280, 5437890, 5674320, 6012315, 6019380, 6153144, 6186585, 6273720, 6413136, 6525468, 6599024, 6922287, 7214778, 7250520, 7423902, 7691430, 7799760, 8016420, 8025840, 8156835, 8248780, 8700624, 9229716, 9486097, 9619704, 9898536, 10255240, 10688560, 10875780, 11135853, 11537145, 12024630, 12038760, 12306288, 12373170, 12547440, 13050936, 13844574, 14429556, 14501040, 14847804, 15382860, 16032840, 16313670, 16497560, 18036945, 18459432, 18559755, 18972194, 19239408, 19797072, 20510480, 21751560, 22271706, 23074290, 24049260, 24077520, 24746340, 26101872, 27689148, 28458291, 28859112, 29695608, 30765720, 32065680, 32627340, 32995120, 34611435, 36073890, 36918864, 37119510, 37944388, 43503120, 44543412, 46148580, 47430485, 48098520, 49492680, 55378296, 55679265, 56916582, 57718224, 59391216, 61531440, 65254680, 69222870, 72147780, 74239020, 75888776, 85374873, 89086824, 92297160, 94860970, 96197040, 98985360, 110756592, 111358530, 113833164, 130509360, 138445740, 142291455, 144295560, 148478040, 151777552, 170749746, 178173648, 184594320, 189721940, 222717060, 227666328, 256124619, 276891480, 284582910, 288591120, 296956080, 341499492, 379443880, 426874365, 445434120, 455332656, 512249238, 553782960, 569165820, 682998984, 758887760, 853748730, 890868240, 1024498476, 1138331640, 1280623095, 1365997968, 1707497460, 2048996952, 2276663280, 2561246190, 3414994920, 4097993904, 5122492380, 6829989840, 10244984760, 20489969520]

約数ペア:

[(1, 20489969520), (2, 10244984760), (3, 6829989840), (4, 5122492380), (5, 4097993904), (6, 3414994920), (8, 2561246190), (9, 2276663280), (10, 2048996952), (12, 1707497460), (15, 1365997968), (16, 1280623095), (18, 1138331640), (20, 1024498476), (23, 890868240), (24, 853748730), (27, 758887760), (30, 682998984), (36, 569165820), (37, 553782960), (40, 512249238), (45, 455332656), (46, 445434120), (48, 426874365), (54, 379443880), (60, 341499492), (69, 296956080), (71, 288591120), (72, 284582910), (74, 276891480), (80, 256124619), (90, 227666328), (92, 222717060), (108, 189721940), (111, 184594320), (115, 178173648), (120, 170749746), (135, 151777552), (138, 148478040), (142, 144295560), (144, 142291455), (148, 138445740), (157, 130509360), (180, 113833164), (184, 111358530), (185, 110756592), (207, 98985360), (213, 96197040), (216, 94860970), (222, 92297160), (230, 89086824), (240, 85374873), (270, 75888776), (276, 74239020), (284, 72147780), (296, 69222870), (314, 65254680), (333, 61531440), (345, 59391216), (355, 57718224), (360, 56916582), (368, 55679265), (370, 55378296), (414, 49492680), (426, 48098520), (432, 47430485), (444, 46148580), (460, 44543412), (471, 43503120), (540, 37944388), (552, 37119510), (555, 36918864), (568, 36073890), (592, 34611435), (621, 32995120), (628, 32627340), (639, 32065680), (666, 30765720), (690, 29695608), (710, 28859112), (720, 28458291), (740, 27689148), (785, 26101872), (828, 24746340), (851, 24077520), (852, 24049260), (888, 23074290), (920, 22271706), (942, 21751560), (999, 20510480), (1035, 19797072), (1065, 19239408), (1080, 18972194), (1104, 18559755), (1110, 18459432), (1136, 18036945), (1242, 16497560), (1256, 16313670), (1278, 16032840), (1332, 15382860), (1380, 14847804), (1413, 14501040), (1420, 14429556), (1480, 13844574), (1570, 13050936), (1633, 12547440), (1656, 12373170), (1665, 12306288), (1702, 12038760), (1704, 12024630), (1776, 11537145), (1840, 11135853), (1884, 10875780), (1917, 10688560), (1998, 10255240), (2070, 9898536), (2130, 9619704), (2160, 9486097), (2220, 9229716), (2355, 8700624), (2484, 8248780), (2512, 8156835), (2553, 8025840), (2556, 8016420), (2627, 7799760), (2664, 7691430), (2760, 7423902), (2826, 7250520), (2840, 7214778), (2960, 6922287), (3105, 6599024), (3140, 6525468), (3195, 6413136), (3266, 6273720), (3312, 6186585), (3330, 6153144), (3404, 6019380), (3408, 6012315), (3611, 5674320), (3768, 5437890), (3834, 5344280), (3996, 5127620), (4140, 4949268), (4239, 4833680), (4255, 4815504), (4260, 4809852), (4440, 4614858), (4710, 4350312), (4899, 4182480), (4968, 4124390), (4995, 4102096), (5106, 4012920), (5112, 4008210), (5254, 3899880), (5328, 3845715), (5520, 3711951), (5652, 3625260), (5680, 3607389), (5809, 3527280), (6210, 3299512), (6280, 3262734), (6390, 3206568), (6532, 3136860), (6660, 3076572), (6808, 3009690), (7065, 2900208), (7222, 2837160), (7536, 2718945), (7659, 2675280), (7668, 2672140), (7881, 2599920), (7992, 2563810), (8165, 2509488), (8280, 2474634), (8478, 2416840), (8510, 2407752), (8520, 2404926), (8880, 2307429), (9420, 2175156), (9585, 2137712), (9798, 2091240), (9936, 2062195), (9990, 2051048), (10212, 2006460), (10224, 2004105), (10508, 1949940), (10833, 1891440), (11147, 1838160), (11304, 1812630), (11618, 1763640), (12420, 1649756), (12560, 1631367), (12765, 1605168), (12780, 1603284), (13064, 1568430), (13135, 1559952), (13320, 1538286), (13616, 1504845), (14130, 1450104), (14444, 1418580), (14697, 1394160), (15318, 1337640), (15336, 1336070), (15762, 1299960), (15984, 1281905), (16330, 1254744), (16560, 1237317), (16956, 1208420), (17020, 1203876), (17040, 1202463), (17427, 1175760), (18055, 1134864), (18840, 1087578), (19170, 1068856), (19596, 1045620), (19980, 1025524), (20424, 1003230), (21016, 974970), (21195, 966736), (21666, 945720), (22294, 919080), (22608, 906315), (22977, 891760), (23236, 881820), (23643, 866640), (24495, 836496), (24840, 824878), (25530, 802584), (25560, 801642), (26128, 784215), (26270, 779976), (26640, 769143), (28260, 725052), (28888, 709290), (29045, 705456), (29394, 697080), (30636, 668820), (30672, 668035), (31524, 649980), (32499, 630480), (32660, 627372), (33441, 612720), (33912, 604210), (34040, 601938), (34854, 587880), (36110, 567432), (37680, 543789), (38295, 535056), (38340, 534428), (39192, 522810), (39405, 519984), (39960, 512762), (40848, 501615), (42032, 487485), (42390, 483368), (43332, 472860), (44091, 464720), (44588, 459540), (45954, 445880), (46472, 440910), (47286, 433320), (48990, 418248), (49680, 412439), (51060, 401292), (51120, 400821), (52281, 391920), (52540, 389988), (54165, 378288), (55735, 367632), (56520, 362526), (57776, 354645), (58090, 352728), (58788, 348540), (60421, 339120), (61272, 334410), (63048, 324990), (64998, 315240), (65320, 313686), (66882, 306360), (67824, 302105), (68080, 300969), (69708, 293940), (70929, 288880), (72220, 283716), (73485, 278832), (76590, 267528), (76680, 267214), (78384, 261405), (78810, 259992), (79920, 256381), (84780, 241684), (86664, 236430), (87135, 235152), (88182, 232360), (89176, 229770), (91908, 222940), (92944, 220455), (94572, 216660), (97497, 210160), (97980, 209124), (100323, 204240), (102120, 200646), (104562, 195960), (105080, 194994), (108330, 189144), (111470, 183816), (113040, 181263), (114885, 178352), (116180, 176364), (117576, 174270), (118215, 173328), (120842, 169560), (122544, 167205), (126096, 162495), (129996, 157620), (130640, 156843), (133607, 153360), (133764, 153180), (139416, 146970), (141858, 144440)]