20731858560

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1193}}^1$

素因数の和:1656

約数の個数: 384

約数和(自身を含む): 82075368960

約数和(自身を除く): 61343510400

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, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 431, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 862, 896, 960, 1008, 1120, 1152, 1193, 1260, 1293, 1344, 1440, 1680, 1724, 1920, 2016, 2155, 2240, 2386, 2520, 2586, 2688, 2880, 3017, 3360, 3448, 3579, 3879, 4032, 4310, 4480, 4772, 5040, 5172, 5760, 5965, 6034, 6465, 6720, 6896, 7158, 7758, 8064, 8351, 8620, 9051, 9544, 10080, 10344, 10737, 11930, 12068, 12930, 13440, 13792, 14316, 15085, 15516, 16702, 17240, 17895, 18102, 19088, 19395, 20160, 20688, 21474, 23860, 24136, 25053, 25860, 27153, 27584, 28632, 30170, 31032, 33404, 34480, 35790, 36204, 38176, 38790, 40320, 41376, 41755, 42948, 45255, 47720, 48272, 50106, 51720, 53685, 54306, 55168, 57264, 60340, 62064, 66808, 68960, 71580, 72408, 75159, 76352, 77580, 82752, 83510, 85896, 90510, 95440, 96544, 100212, 103440, 107370, 108612, 114528, 120680, 124128, 125265, 133616, 135765, 137920, 143160, 144816, 150318, 152704, 155160, 165504, 167020, 171792, 181020, 190880, 193088, 200424, 206880, 214740, 217224, 229056, 241360, 248256, 250530, 267232, 271530, 275840, 286320, 289632, 300636, 310320, 334040, 343584, 362040, 375795, 381760, 386176, 400848, 413760, 429480, 434448, 458112, 482720, 496512, 501060, 514183, 534464, 543060, 572640, 579264, 601272, 620640, 668080, 687168, 724080, 751590, 763520, 801696, 827520, 858960, 868896, 965440, 1002120, 1028366, 1068928, 1086120, 1145280, 1158528, 1202544, 1241280, 1336160, 1374336, 1448160, 1503180, 1542549, 1603392, 1717920, 1737792, 1930880, 2004240, 2056732, 2172240, 2290560, 2405088, 2482560, 2570915, 2672320, 2896320, 3006360, 3085098, 3206784, 3435840, 3475584, 3599281, 4008480, 4113464, 4344480, 4627647, 4810176, 5141830, 5344640, 5792640, 6012720, 6170196, 6871680, 7198562, 7712745, 8016960, 8226928, 8688960, 9255294, 9620352, 10283660, 10797843, 12025440, 12340392, 14397124, 15425490, 16033920, 16453856, 17377920, 17996405, 18510588, 20567320, 21595686, 23138235, 24050880, 24680784, 28794248, 30850980, 32393529, 32907712, 35992810, 37021176, 41134640, 43191372, 46276470, 48101760, 49361568, 53989215, 57588496, 61701960, 64787058, 65815424, 71985620, 74042352, 82269280, 86382744, 92552940, 98723136, 107978430, 115176992, 123403920, 129574116, 143971240, 148084704, 161967645, 164538560, 172765488, 185105880, 197446272, 215956860, 230353984, 246807840, 259148232, 287942480, 296169408, 323935290, 329077120, 345530976, 370211760, 431913720, 460707968, 493615680, 518296464, 575884960, 592338816, 647870580, 691061952, 740423520, 863827440, 987231360, 1036592928, 1151769920, 1295741160, 1382123904, 1480847040, 1727654880, 2073185856, 2303539840, 2591482320, 2961694080, 3455309760, 4146371712, 5182964640, 6910619520, 10365929280, 20731858560]

約数ペア:

[(1, 20731858560), (2, 10365929280), (3, 6910619520), (4, 5182964640), (5, 4146371712), (6, 3455309760), (7, 2961694080), (8, 2591482320), (9, 2303539840), (10, 2073185856), (12, 1727654880), (14, 1480847040), (15, 1382123904), (16, 1295741160), (18, 1151769920), (20, 1036592928), (21, 987231360), (24, 863827440), (28, 740423520), (30, 691061952), (32, 647870580), (35, 592338816), (36, 575884960), (40, 518296464), (42, 493615680), (45, 460707968), (48, 431913720), (56, 370211760), (60, 345530976), (63, 329077120), (64, 323935290), (70, 296169408), (72, 287942480), (80, 259148232), (84, 246807840), (90, 230353984), (96, 215956860), (105, 197446272), (112, 185105880), (120, 172765488), (126, 164538560), (128, 161967645), (140, 148084704), (144, 143971240), (160, 129574116), (168, 123403920), (180, 115176992), (192, 107978430), (210, 98723136), (224, 92552940), (240, 86382744), (252, 82269280), (280, 74042352), (288, 71985620), (315, 65815424), (320, 64787058), (336, 61701960), (360, 57588496), (384, 53989215), (420, 49361568), (431, 48101760), (448, 46276470), (480, 43191372), (504, 41134640), (560, 37021176), (576, 35992810), (630, 32907712), (640, 32393529), (672, 30850980), (720, 28794248), (840, 24680784), (862, 24050880), (896, 23138235), (960, 21595686), (1008, 20567320), (1120, 18510588), (1152, 17996405), (1193, 17377920), (1260, 16453856), (1293, 16033920), (1344, 15425490), (1440, 14397124), (1680, 12340392), (1724, 12025440), (1920, 10797843), (2016, 10283660), (2155, 9620352), (2240, 9255294), (2386, 8688960), (2520, 8226928), (2586, 8016960), (2688, 7712745), (2880, 7198562), (3017, 6871680), (3360, 6170196), (3448, 6012720), (3579, 5792640), (3879, 5344640), (4032, 5141830), (4310, 4810176), (4480, 4627647), (4772, 4344480), (5040, 4113464), (5172, 4008480), (5760, 3599281), (5965, 3475584), (6034, 3435840), (6465, 3206784), (6720, 3085098), (6896, 3006360), (7158, 2896320), (7758, 2672320), (8064, 2570915), (8351, 2482560), (8620, 2405088), (9051, 2290560), (9544, 2172240), (10080, 2056732), (10344, 2004240), (10737, 1930880), (11930, 1737792), (12068, 1717920), (12930, 1603392), (13440, 1542549), (13792, 1503180), (14316, 1448160), (15085, 1374336), (15516, 1336160), (16702, 1241280), (17240, 1202544), (17895, 1158528), (18102, 1145280), (19088, 1086120), (19395, 1068928), (20160, 1028366), (20688, 1002120), (21474, 965440), (23860, 868896), (24136, 858960), (25053, 827520), (25860, 801696), (27153, 763520), (27584, 751590), (28632, 724080), (30170, 687168), (31032, 668080), (33404, 620640), (34480, 601272), (35790, 579264), (36204, 572640), (38176, 543060), (38790, 534464), (40320, 514183), (41376, 501060), (41755, 496512), (42948, 482720), (45255, 458112), (47720, 434448), (48272, 429480), (50106, 413760), (51720, 400848), (53685, 386176), (54306, 381760), (55168, 375795), (57264, 362040), (60340, 343584), (62064, 334040), (66808, 310320), (68960, 300636), (71580, 289632), (72408, 286320), (75159, 275840), (76352, 271530), (77580, 267232), (82752, 250530), (83510, 248256), (85896, 241360), (90510, 229056), (95440, 217224), (96544, 214740), (100212, 206880), (103440, 200424), (107370, 193088), (108612, 190880), (114528, 181020), (120680, 171792), (124128, 167020), (125265, 165504), (133616, 155160), (135765, 152704), (137920, 150318), (143160, 144816)]