20686285440

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23473}}^1$

素因数の和:23521

約数の個数: 320

約数和(自身を含む): 78223349160

約数和(自身を除く): 57537063720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 648, 680, 720, 765, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5184, 5440, 5508, 5760, 6120, 6480, 6528, 6885, 7344, 8160, 8640, 9180, 9792, 10368, 10880, 11016, 12240, 12960, 13770, 14688, 16320, 17280, 18360, 19584, 22032, 23473, 24480, 25920, 27540, 29376, 32640, 36720, 44064, 46946, 48960, 51840, 55080, 58752, 70419, 73440, 88128, 93892, 97920, 110160, 117365, 140838, 146880, 176256, 187784, 211257, 220320, 234730, 281676, 293760, 352095, 375568, 399041, 422514, 440640, 469460, 563352, 633771, 704190, 751136, 798082, 845028, 881280, 938920, 1056285, 1126704, 1197123, 1267542, 1408380, 1502272, 1596164, 1690056, 1877840, 1901313, 1995205, 2112570, 2253408, 2394246, 2535084, 2816760, 3004544, 3168855, 3192328, 3380112, 3591369, 3755680, 3802626, 3990410, 4225140, 4506816, 4788492, 5070168, 5633520, 5985615, 6337710, 6384656, 6760224, 7182738, 7511360, 7605252, 7980820, 8450280, 9013632, 9506565, 9576984, 10140336, 10774107, 11267040, 11971230, 12675420, 12769312, 13520448, 14365476, 15022720, 15210504, 15961640, 16900560, 17956845, 19013130, 19153968, 20280672, 21548214, 22534080, 23942460, 25350840, 25538624, 27040896, 28730952, 30421008, 31923280, 32322321, 33801120, 35913690, 38026260, 38307936, 40561344, 43096428, 45068160, 47884920, 50701680, 51077248, 53870535, 57461904, 60842016, 63846560, 64644642, 67602240, 71827380, 76052520, 76615872, 81122688, 86192856, 95769840, 101403360, 107741070, 114923808, 121684032, 127693120, 129289284, 135204480, 143654760, 152105040, 153231744, 161611605, 172385712, 191539680, 202806720, 215482140, 229847616, 243368064, 255386240, 258578568, 287309520, 304210080, 323223210, 344771424, 383079360, 405613440, 430964280, 459695232, 517157136, 574619040, 608420160, 646446420, 689542848, 766158720, 861928560, 1034314272, 1149238080, 1216840320, 1292892840, 1379085696, 1723857120, 2068628544, 2298476160, 2585785680, 3447714240, 4137257088, 5171571360, 6895428480, 10343142720, 20686285440]

約数ペア:

[(1, 20686285440), (2, 10343142720), (3, 6895428480), (4, 5171571360), (5, 4137257088), (6, 3447714240), (8, 2585785680), (9, 2298476160), (10, 2068628544), (12, 1723857120), (15, 1379085696), (16, 1292892840), (17, 1216840320), (18, 1149238080), (20, 1034314272), (24, 861928560), (27, 766158720), (30, 689542848), (32, 646446420), (34, 608420160), (36, 574619040), (40, 517157136), (45, 459695232), (48, 430964280), (51, 405613440), (54, 383079360), (60, 344771424), (64, 323223210), (68, 304210080), (72, 287309520), (80, 258578568), (81, 255386240), (85, 243368064), (90, 229847616), (96, 215482140), (102, 202806720), (108, 191539680), (120, 172385712), (128, 161611605), (135, 153231744), (136, 152105040), (144, 143654760), (153, 135204480), (160, 129289284), (162, 127693120), (170, 121684032), (180, 114923808), (192, 107741070), (204, 101403360), (216, 95769840), (240, 86192856), (255, 81122688), (270, 76615872), (272, 76052520), (288, 71827380), (306, 67602240), (320, 64644642), (324, 63846560), (340, 60842016), (360, 57461904), (384, 53870535), (405, 51077248), (408, 50701680), (432, 47884920), (459, 45068160), (480, 43096428), (510, 40561344), (540, 38307936), (544, 38026260), (576, 35913690), (612, 33801120), (640, 32322321), (648, 31923280), (680, 30421008), (720, 28730952), (765, 27040896), (810, 25538624), (816, 25350840), (864, 23942460), (918, 22534080), (960, 21548214), (1020, 20280672), (1080, 19153968), (1088, 19013130), (1152, 17956845), (1224, 16900560), (1296, 15961640), (1360, 15210504), (1377, 15022720), (1440, 14365476), (1530, 13520448), (1620, 12769312), (1632, 12675420), (1728, 11971230), (1836, 11267040), (1920, 10774107), (2040, 10140336), (2160, 9576984), (2176, 9506565), (2295, 9013632), (2448, 8450280), (2592, 7980820), (2720, 7605252), (2754, 7511360), (2880, 7182738), (3060, 6760224), (3240, 6384656), (3264, 6337710), (3456, 5985615), (3672, 5633520), (4080, 5070168), (4320, 4788492), (4590, 4506816), (4896, 4225140), (5184, 3990410), (5440, 3802626), (5508, 3755680), (5760, 3591369), (6120, 3380112), (6480, 3192328), (6528, 3168855), (6885, 3004544), (7344, 2816760), (8160, 2535084), (8640, 2394246), (9180, 2253408), (9792, 2112570), (10368, 1995205), (10880, 1901313), (11016, 1877840), (12240, 1690056), (12960, 1596164), (13770, 1502272), (14688, 1408380), (16320, 1267542), (17280, 1197123), (18360, 1126704), (19584, 1056285), (22032, 938920), (23473, 881280), (24480, 845028), (25920, 798082), (27540, 751136), (29376, 704190), (32640, 633771), (36720, 563352), (44064, 469460), (46946, 440640), (48960, 422514), (51840, 399041), (55080, 375568), (58752, 352095), (70419, 293760), (73440, 281676), (88128, 234730), (93892, 220320), (97920, 211257), (110160, 187784), (117365, 176256), (140838, 146880)]