20890504320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12239}}^1$

素因数の和:12395

約数の個数: 256

約数和(自身を含む): 76706611200

約数和(自身を除く): 55816106880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 160, 168, 192, 210, 224, 240, 254, 280, 320, 336, 381, 384, 420, 448, 480, 508, 560, 635, 640, 672, 762, 840, 889, 896, 960, 1016, 1120, 1270, 1344, 1524, 1680, 1778, 1905, 1920, 2032, 2240, 2540, 2667, 2688, 3048, 3360, 3556, 3810, 4064, 4445, 4480, 5080, 5334, 6096, 6720, 7112, 7620, 8128, 8890, 10160, 10668, 12192, 12239, 13335, 13440, 14224, 15240, 16256, 17780, 20320, 21336, 24384, 24478, 26670, 28448, 30480, 35560, 36717, 40640, 42672, 48768, 48956, 53340, 56896, 60960, 61195, 71120, 73434, 81280, 85344, 85673, 97912, 106680, 113792, 121920, 122390, 142240, 146868, 170688, 171346, 183585, 195824, 213360, 243840, 244780, 257019, 284480, 293736, 341376, 342692, 367170, 391648, 426720, 428365, 489560, 514038, 568960, 587472, 685384, 734340, 783296, 853440, 856730, 979120, 1028076, 1174944, 1285095, 1370768, 1468680, 1554353, 1566592, 1706880, 1713460, 1958240, 2056152, 2349888, 2570190, 2741536, 2937360, 3108706, 3426920, 3916480, 4112304, 4663059, 4699776, 5140380, 5483072, 5874720, 6217412, 6853840, 7771765, 7832960, 8224608, 9326118, 10280760, 10880471, 10966144, 11749440, 12434824, 13707680, 15543530, 16449216, 18652236, 20561520, 21760942, 23315295, 23498880, 24869648, 27415360, 31087060, 32641413, 32898432, 37304472, 41123040, 43521884, 46630590, 49739296, 54402355, 54830720, 62174120, 65282826, 74608944, 82246080, 87043768, 93261180, 99478592, 108804710, 124348240, 130565652, 149217888, 163207065, 164492160, 174087536, 186522360, 198957184, 217609420, 248696480, 261131304, 298435776, 326414130, 348175072, 373044720, 435218840, 497392960, 522262608, 596871552, 652828260, 696350144, 746089440, 870437680, 994785920, 1044525216, 1305656520, 1392700288, 1492178880, 1740875360, 2089050432, 2611313040, 2984357760, 3481750720, 4178100864, 5222626080, 6963501440, 10445252160, 20890504320]

約数ペア:

[(1, 20890504320), (2, 10445252160), (3, 6963501440), (4, 5222626080), (5, 4178100864), (6, 3481750720), (7, 2984357760), (8, 2611313040), (10, 2089050432), (12, 1740875360), (14, 1492178880), (15, 1392700288), (16, 1305656520), (20, 1044525216), (21, 994785920), (24, 870437680), (28, 746089440), (30, 696350144), (32, 652828260), (35, 596871552), (40, 522262608), (42, 497392960), (48, 435218840), (56, 373044720), (60, 348175072), (64, 326414130), (70, 298435776), (80, 261131304), (84, 248696480), (96, 217609420), (105, 198957184), (112, 186522360), (120, 174087536), (127, 164492160), (128, 163207065), (140, 149217888), (160, 130565652), (168, 124348240), (192, 108804710), (210, 99478592), (224, 93261180), (240, 87043768), (254, 82246080), (280, 74608944), (320, 65282826), (336, 62174120), (381, 54830720), (384, 54402355), (420, 49739296), (448, 46630590), (480, 43521884), (508, 41123040), (560, 37304472), (635, 32898432), (640, 32641413), (672, 31087060), (762, 27415360), (840, 24869648), (889, 23498880), (896, 23315295), (960, 21760942), (1016, 20561520), (1120, 18652236), (1270, 16449216), (1344, 15543530), (1524, 13707680), (1680, 12434824), (1778, 11749440), (1905, 10966144), (1920, 10880471), (2032, 10280760), (2240, 9326118), (2540, 8224608), (2667, 7832960), (2688, 7771765), (3048, 6853840), (3360, 6217412), (3556, 5874720), (3810, 5483072), (4064, 5140380), (4445, 4699776), (4480, 4663059), (5080, 4112304), (5334, 3916480), (6096, 3426920), (6720, 3108706), (7112, 2937360), (7620, 2741536), (8128, 2570190), (8890, 2349888), (10160, 2056152), (10668, 1958240), (12192, 1713460), (12239, 1706880), (13335, 1566592), (13440, 1554353), (14224, 1468680), (15240, 1370768), (16256, 1285095), (17780, 1174944), (20320, 1028076), (21336, 979120), (24384, 856730), (24478, 853440), (26670, 783296), (28448, 734340), (30480, 685384), (35560, 587472), (36717, 568960), (40640, 514038), (42672, 489560), (48768, 428365), (48956, 426720), (53340, 391648), (56896, 367170), (60960, 342692), (61195, 341376), (71120, 293736), (73434, 284480), (81280, 257019), (85344, 244780), (85673, 243840), (97912, 213360), (106680, 195824), (113792, 183585), (121920, 171346), (122390, 170688), (142240, 146868)]