821041920

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{7919}}^1$

素因数の和:7952

約数の個数: 180

約数和(自身を含む): 2938209120

約数和(自身を除く): 2117167200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6480, 6912, 7919, 8640, 10368, 11520, 12960, 15838, 17280, 20736, 23757, 25920, 31676, 34560, 39595, 47514, 51840, 63352, 71271, 79190, 95028, 103680, 118785, 126704, 142542, 158380, 190056, 213813, 237570, 253408, 285084, 316760, 356355, 380112, 427626, 475140, 506816, 570168, 633520, 641439, 712710, 760224, 855252, 950280, 1013632, 1069065, 1140336, 1267040, 1282878, 1425420, 1520448, 1710504, 1900560, 2027264, 2138130, 2280672, 2534080, 2565756, 2850840, 3040896, 3207195, 3421008, 3801120, 4276260, 4561344, 5068160, 5131512, 5701680, 6081792, 6414390, 6842016, 7602240, 8552520, 9122688, 10136320, 10263024, 11403360, 12828780, 13684032, 15204480, 17105040, 18245376, 20526048, 22806720, 25657560, 27368064, 30408960, 34210080, 41052096, 45613440, 51315120, 54736128, 68420160, 82104192, 91226880, 102630240, 136840320, 164208384, 205260480, 273680640, 410520960, 821041920]

約数ペア:

[(1, 821041920), (2, 410520960), (3, 273680640), (4, 205260480), (5, 164208384), (6, 136840320), (8, 102630240), (9, 91226880), (10, 82104192), (12, 68420160), (15, 54736128), (16, 51315120), (18, 45613440), (20, 41052096), (24, 34210080), (27, 30408960), (30, 27368064), (32, 25657560), (36, 22806720), (40, 20526048), (45, 18245376), (48, 17105040), (54, 15204480), (60, 13684032), (64, 12828780), (72, 11403360), (80, 10263024), (81, 10136320), (90, 9122688), (96, 8552520), (108, 7602240), (120, 6842016), (128, 6414390), (135, 6081792), (144, 5701680), (160, 5131512), (162, 5068160), (180, 4561344), (192, 4276260), (216, 3801120), (240, 3421008), (256, 3207195), (270, 3040896), (288, 2850840), (320, 2565756), (324, 2534080), (360, 2280672), (384, 2138130), (405, 2027264), (432, 1900560), (480, 1710504), (540, 1520448), (576, 1425420), (640, 1282878), (648, 1267040), (720, 1140336), (768, 1069065), (810, 1013632), (864, 950280), (960, 855252), (1080, 760224), (1152, 712710), (1280, 641439), (1296, 633520), (1440, 570168), (1620, 506816), (1728, 475140), (1920, 427626), (2160, 380112), (2304, 356355), (2592, 316760), (2880, 285084), (3240, 253408), (3456, 237570), (3840, 213813), (4320, 190056), (5184, 158380), (5760, 142542), (6480, 126704), (6912, 118785), (7919, 103680), (8640, 95028), (10368, 79190), (11520, 71271), (12960, 63352), (15838, 51840), (17280, 47514), (20736, 39595), (23757, 34560), (25920, 31676)]