20258169120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{669913}}^1$

素因数の和:669944

約数の個数: 192

約数和(自身を含む): 81032797440

約数和(自身を除く): 60774628320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 669913, 1339826, 2009739, 2679652, 3349565, 4019478, 4689391, 5359304, 6029217, 6699130, 8038956, 9378782, 10048695, 10718608, 12058434, 13398260, 14068173, 16077912, 18087651, 18757564, 20097390, 21437216, 23446955, 24116868, 26796520, 28136346, 30146085, 32155824, 36175302, 37515128, 40194780, 42204519, 46893910, 48233736, 53593040, 56272692, 60292170, 64311648, 70340865, 72350604, 75030256, 80389560, 84409038, 90438255, 93787820, 96467472, 107186080, 112545384, 120584340, 126613557, 140681730, 144701208, 150060512, 160779120, 168818076, 180876510, 187575640, 192934944, 211022595, 225090768, 241168680, 253227114, 281363460, 289402416, 321558240, 337636152, 361753020, 375151280, 422045190, 450181536, 482337360, 506454228, 562726920, 578804832, 633067785, 675272304, 723506040, 750302560, 844090380, 964674720, 1012908456, 1125453840, 1266135570, 1350544608, 1447012080, 1688180760, 2025816912, 2250907680, 2532271140, 2894024160, 3376361520, 4051633824, 5064542280, 6752723040, 10129084560, 20258169120]

約数ペア:

[(1, 20258169120), (2, 10129084560), (3, 6752723040), (4, 5064542280), (5, 4051633824), (6, 3376361520), (7, 2894024160), (8, 2532271140), (9, 2250907680), (10, 2025816912), (12, 1688180760), (14, 1447012080), (15, 1350544608), (16, 1266135570), (18, 1125453840), (20, 1012908456), (21, 964674720), (24, 844090380), (27, 750302560), (28, 723506040), (30, 675272304), (32, 633067785), (35, 578804832), (36, 562726920), (40, 506454228), (42, 482337360), (45, 450181536), (48, 422045190), (54, 375151280), (56, 361753020), (60, 337636152), (63, 321558240), (70, 289402416), (72, 281363460), (80, 253227114), (84, 241168680), (90, 225090768), (96, 211022595), (105, 192934944), (108, 187575640), (112, 180876510), (120, 168818076), (126, 160779120), (135, 150060512), (140, 144701208), (144, 140681730), (160, 126613557), (168, 120584340), (180, 112545384), (189, 107186080), (210, 96467472), (216, 93787820), (224, 90438255), (240, 84409038), (252, 80389560), (270, 75030256), (280, 72350604), (288, 70340865), (315, 64311648), (336, 60292170), (360, 56272692), (378, 53593040), (420, 48233736), (432, 46893910), (480, 42204519), (504, 40194780), (540, 37515128), (560, 36175302), (630, 32155824), (672, 30146085), (720, 28136346), (756, 26796520), (840, 24116868), (864, 23446955), (945, 21437216), (1008, 20097390), (1080, 18757564), (1120, 18087651), (1260, 16077912), (1440, 14068173), (1512, 13398260), (1680, 12058434), (1890, 10718608), (2016, 10048695), (2160, 9378782), (2520, 8038956), (3024, 6699130), (3360, 6029217), (3780, 5359304), (4320, 4689391), (5040, 4019478), (6048, 3349565), (7560, 2679652), (10080, 2009739), (15120, 1339826), (30240, 669913)]