1816971520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 288

約数和(自身を含む): 5645364480

約数和(自身を除く): 3828392960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 256, 260, 266, 280, 304, 320, 364, 380, 416, 448, 455, 494, 520, 532, 560, 608, 640, 665, 728, 760, 821, 832, 896, 910, 988, 1040, 1064, 1120, 1216, 1235, 1280, 1330, 1456, 1520, 1642, 1664, 1729, 1792, 1820, 1976, 2080, 2128, 2240, 2432, 2470, 2660, 2912, 3040, 3284, 3328, 3458, 3640, 3952, 4105, 4160, 4256, 4480, 4864, 4940, 5320, 5747, 5824, 6080, 6568, 6916, 7280, 7904, 8210, 8320, 8512, 8645, 8960, 9880, 10640, 10673, 11494, 11648, 12160, 13136, 13832, 14560, 15599, 15808, 16420, 16640, 17024, 17290, 19760, 21280, 21346, 22988, 23296, 24320, 26272, 27664, 28735, 29120, 31198, 31616, 32840, 34048, 34580, 39520, 42560, 42692, 45976, 52544, 53365, 55328, 57470, 58240, 62396, 63232, 65680, 69160, 74711, 77995, 79040, 85120, 85384, 91952, 105088, 106730, 109193, 110656, 114940, 116480, 124792, 131360, 138320, 149422, 155990, 158080, 170240, 170768, 183904, 202787, 210176, 213460, 218386, 221312, 229880, 249584, 262720, 276640, 298844, 311980, 316160, 341536, 367808, 373555, 405574, 426920, 436772, 442624, 459760, 499168, 525440, 545965, 553280, 597688, 623960, 683072, 735616, 747110, 811148, 853840, 873544, 919520, 998336, 1013935, 1050880, 1091930, 1106560, 1195376, 1247920, 1366144, 1419509, 1471232, 1494220, 1622296, 1707680, 1747088, 1839040, 1996672, 2027870, 2183860, 2213120, 2390752, 2495840, 2732288, 2839018, 2988440, 3244592, 3415360, 3494176, 3678080, 3993344, 4055740, 4367720, 4781504, 4991680, 5678036, 5976880, 6489184, 6830720, 6988352, 7097545, 7356160, 8111480, 8735440, 9563008, 9983360, 11356072, 11953760, 12978368, 13661440, 13976704, 14195090, 16222960, 17470880, 19126016, 19966720, 22712144, 23907520, 25956736, 27953408, 28390180, 32445920, 34941760, 45424288, 47815040, 51913472, 56780360, 64891840, 69883520, 90848576, 95630080, 113560720, 129783680, 139767040, 181697152, 227121440, 259567360, 363394304, 454242880, 908485760, 1816971520]

約数ペア:

[(1, 1816971520), (2, 908485760), (4, 454242880), (5, 363394304), (7, 259567360), (8, 227121440), (10, 181697152), (13, 139767040), (14, 129783680), (16, 113560720), (19, 95630080), (20, 90848576), (26, 69883520), (28, 64891840), (32, 56780360), (35, 51913472), (38, 47815040), (40, 45424288), (52, 34941760), (56, 32445920), (64, 28390180), (65, 27953408), (70, 25956736), (76, 23907520), (80, 22712144), (91, 19966720), (95, 19126016), (104, 17470880), (112, 16222960), (128, 14195090), (130, 13976704), (133, 13661440), (140, 12978368), (152, 11953760), (160, 11356072), (182, 9983360), (190, 9563008), (208, 8735440), (224, 8111480), (247, 7356160), (256, 7097545), (260, 6988352), (266, 6830720), (280, 6489184), (304, 5976880), (320, 5678036), (364, 4991680), (380, 4781504), (416, 4367720), (448, 4055740), (455, 3993344), (494, 3678080), (520, 3494176), (532, 3415360), (560, 3244592), (608, 2988440), (640, 2839018), (665, 2732288), (728, 2495840), (760, 2390752), (821, 2213120), (832, 2183860), (896, 2027870), (910, 1996672), (988, 1839040), (1040, 1747088), (1064, 1707680), (1120, 1622296), (1216, 1494220), (1235, 1471232), (1280, 1419509), (1330, 1366144), (1456, 1247920), (1520, 1195376), (1642, 1106560), (1664, 1091930), (1729, 1050880), (1792, 1013935), (1820, 998336), (1976, 919520), (2080, 873544), (2128, 853840), (2240, 811148), (2432, 747110), (2470, 735616), (2660, 683072), (2912, 623960), (3040, 597688), (3284, 553280), (3328, 545965), (3458, 525440), (3640, 499168), (3952, 459760), (4105, 442624), (4160, 436772), (4256, 426920), (4480, 405574), (4864, 373555), (4940, 367808), (5320, 341536), (5747, 316160), (5824, 311980), (6080, 298844), (6568, 276640), (6916, 262720), (7280, 249584), (7904, 229880), (8210, 221312), (8320, 218386), (8512, 213460), (8645, 210176), (8960, 202787), (9880, 183904), (10640, 170768), (10673, 170240), (11494, 158080), (11648, 155990), (12160, 149422), (13136, 138320), (13832, 131360), (14560, 124792), (15599, 116480), (15808, 114940), (16420, 110656), (16640, 109193), (17024, 106730), (17290, 105088), (19760, 91952), (21280, 85384), (21346, 85120), (22988, 79040), (23296, 77995), (24320, 74711), (26272, 69160), (27664, 65680), (28735, 63232), (29120, 62396), (31198, 58240), (31616, 57470), (32840, 55328), (34048, 53365), (34580, 52544), (39520, 45976), (42560, 42692)]