20726691840

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{941}}^1$

素因数の和:1213

約数の個数: 288

約数和(自身を含む): 72212212800

約数和(自身を除く): 51485520960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 239, 240, 256, 288, 320, 360, 384, 478, 480, 512, 576, 640, 717, 720, 768, 941, 956, 960, 1024, 1152, 1195, 1280, 1434, 1440, 1536, 1882, 1912, 1920, 2048, 2151, 2304, 2390, 2560, 2823, 2868, 2880, 3072, 3585, 3764, 3824, 3840, 4302, 4608, 4705, 4780, 5120, 5646, 5736, 5760, 6144, 7170, 7528, 7648, 7680, 8469, 8604, 9216, 9410, 9560, 10240, 10755, 11292, 11472, 11520, 14115, 14340, 15056, 15296, 15360, 16938, 17208, 18432, 18820, 19120, 21510, 22584, 22944, 23040, 28230, 28680, 30112, 30592, 30720, 33876, 34416, 37640, 38240, 42345, 43020, 45168, 45888, 46080, 56460, 57360, 60224, 61184, 67752, 68832, 75280, 76480, 84690, 86040, 90336, 91776, 92160, 112920, 114720, 120448, 122368, 135504, 137664, 150560, 152960, 169380, 172080, 180672, 183552, 224899, 225840, 229440, 240896, 244736, 271008, 275328, 301120, 305920, 338760, 344160, 361344, 367104, 449798, 451680, 458880, 481792, 489472, 542016, 550656, 602240, 611840, 674697, 677520, 688320, 722688, 734208, 899596, 903360, 917760, 963584, 1084032, 1101312, 1124495, 1204480, 1223680, 1349394, 1355040, 1376640, 1445376, 1468416, 1799192, 1806720, 1835520, 1927168, 2024091, 2168064, 2202624, 2248990, 2408960, 2447360, 2698788, 2710080, 2753280, 2890752, 3373485, 3598384, 3613440, 3671040, 4048182, 4336128, 4405248, 4497980, 4817920, 5397576, 5420160, 5506560, 5781504, 6746970, 7196768, 7226880, 7342080, 8096364, 8672256, 8995960, 9635840, 10120455, 10795152, 10840320, 11013120, 13493940, 14393536, 14453760, 16192728, 17344512, 17991920, 20240910, 21590304, 21680640, 22026240, 26987880, 28787072, 28907520, 32385456, 35983840, 40481820, 43180608, 43361280, 53975760, 57574144, 64770912, 71967680, 80963640, 86361216, 86722560, 107951520, 115148288, 129541824, 143935360, 161927280, 172722432, 215903040, 230296576, 259083648, 287870720, 323854560, 345444864, 431806080, 460593152, 518167296, 575741440, 647709120, 690889728, 863612160, 1036334592, 1151482880, 1295418240, 1381779456, 1727224320, 2072669184, 2302965760, 2590836480, 3454448640, 4145338368, 5181672960, 6908897280, 10363345920, 20726691840]

約数ペア:

[(1, 20726691840), (2, 10363345920), (3, 6908897280), (4, 5181672960), (5, 4145338368), (6, 3454448640), (8, 2590836480), (9, 2302965760), (10, 2072669184), (12, 1727224320), (15, 1381779456), (16, 1295418240), (18, 1151482880), (20, 1036334592), (24, 863612160), (30, 690889728), (32, 647709120), (36, 575741440), (40, 518167296), (45, 460593152), (48, 431806080), (60, 345444864), (64, 323854560), (72, 287870720), (80, 259083648), (90, 230296576), (96, 215903040), (120, 172722432), (128, 161927280), (144, 143935360), (160, 129541824), (180, 115148288), (192, 107951520), (239, 86722560), (240, 86361216), (256, 80963640), (288, 71967680), (320, 64770912), (360, 57574144), (384, 53975760), (478, 43361280), (480, 43180608), (512, 40481820), (576, 35983840), (640, 32385456), (717, 28907520), (720, 28787072), (768, 26987880), (941, 22026240), (956, 21680640), (960, 21590304), (1024, 20240910), (1152, 17991920), (1195, 17344512), (1280, 16192728), (1434, 14453760), (1440, 14393536), (1536, 13493940), (1882, 11013120), (1912, 10840320), (1920, 10795152), (2048, 10120455), (2151, 9635840), (2304, 8995960), (2390, 8672256), (2560, 8096364), (2823, 7342080), (2868, 7226880), (2880, 7196768), (3072, 6746970), (3585, 5781504), (3764, 5506560), (3824, 5420160), (3840, 5397576), (4302, 4817920), (4608, 4497980), (4705, 4405248), (4780, 4336128), (5120, 4048182), (5646, 3671040), (5736, 3613440), (5760, 3598384), (6144, 3373485), (7170, 2890752), (7528, 2753280), (7648, 2710080), (7680, 2698788), (8469, 2447360), (8604, 2408960), (9216, 2248990), (9410, 2202624), (9560, 2168064), (10240, 2024091), (10755, 1927168), (11292, 1835520), (11472, 1806720), (11520, 1799192), (14115, 1468416), (14340, 1445376), (15056, 1376640), (15296, 1355040), (15360, 1349394), (16938, 1223680), (17208, 1204480), (18432, 1124495), (18820, 1101312), (19120, 1084032), (21510, 963584), (22584, 917760), (22944, 903360), (23040, 899596), (28230, 734208), (28680, 722688), (30112, 688320), (30592, 677520), (30720, 674697), (33876, 611840), (34416, 602240), (37640, 550656), (38240, 542016), (42345, 489472), (43020, 481792), (45168, 458880), (45888, 451680), (46080, 449798), (56460, 367104), (57360, 361344), (60224, 344160), (61184, 338760), (67752, 305920), (68832, 301120), (75280, 275328), (76480, 271008), (84690, 244736), (86040, 240896), (90336, 229440), (91776, 225840), (92160, 224899), (112920, 183552), (114720, 180672), (120448, 172080), (122368, 169380), (135504, 152960), (137664, 150560)]