20181876480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9679}}^1$

素因数の和:9887

約数の個数: 216

約数和(自身を含む): 70220230080

約数和(自身を除く): 50038353600

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, 181, 192, 240, 256, 288, 320, 360, 362, 384, 480, 543, 576, 640, 720, 724, 768, 905, 960, 1086, 1152, 1280, 1440, 1448, 1629, 1810, 1920, 2172, 2304, 2715, 2880, 2896, 3258, 3620, 3840, 4344, 5430, 5760, 5792, 6516, 7240, 8145, 8688, 9679, 10860, 11520, 11584, 13032, 14480, 16290, 17376, 19358, 21720, 23168, 26064, 28960, 29037, 32580, 34752, 38716, 43440, 46336, 48395, 52128, 57920, 58074, 65160, 69504, 77432, 86880, 87111, 96790, 104256, 115840, 116148, 130320, 139008, 145185, 154864, 173760, 174222, 193580, 208512, 231680, 232296, 260640, 290370, 309728, 347520, 348444, 387160, 417024, 435555, 464592, 521280, 580740, 619456, 695040, 696888, 774320, 871110, 929184, 1042560, 1161480, 1238912, 1393776, 1548640, 1742220, 1751899, 1858368, 2085120, 2322960, 2477824, 2787552, 3097280, 3484440, 3503798, 3716736, 4645920, 5255697, 5575104, 6194560, 6968880, 7007596, 7433472, 8759495, 9291840, 10511394, 11150208, 12389120, 13937760, 14015192, 15767091, 17518990, 18583680, 21022788, 22300416, 26278485, 27875520, 28030384, 31534182, 35037980, 37167360, 42045576, 52556970, 55751040, 56060768, 63068364, 70075960, 78835455, 84091152, 105113940, 111502080, 112121536, 126136728, 140151920, 157670910, 168182304, 210227880, 224243072, 252273456, 280303840, 315341820, 336364608, 420455760, 448486144, 504546912, 560607680, 630683640, 672729216, 840911520, 1009093824, 1121215360, 1261367280, 1345458432, 1681823040, 2018187648, 2242430720, 2522734560, 3363646080, 4036375296, 5045469120, 6727292160, 10090938240, 20181876480]

約数ペア:

[(1, 20181876480), (2, 10090938240), (3, 6727292160), (4, 5045469120), (5, 4036375296), (6, 3363646080), (8, 2522734560), (9, 2242430720), (10, 2018187648), (12, 1681823040), (15, 1345458432), (16, 1261367280), (18, 1121215360), (20, 1009093824), (24, 840911520), (30, 672729216), (32, 630683640), (36, 560607680), (40, 504546912), (45, 448486144), (48, 420455760), (60, 336364608), (64, 315341820), (72, 280303840), (80, 252273456), (90, 224243072), (96, 210227880), (120, 168182304), (128, 157670910), (144, 140151920), (160, 126136728), (180, 112121536), (181, 111502080), (192, 105113940), (240, 84091152), (256, 78835455), (288, 70075960), (320, 63068364), (360, 56060768), (362, 55751040), (384, 52556970), (480, 42045576), (543, 37167360), (576, 35037980), (640, 31534182), (720, 28030384), (724, 27875520), (768, 26278485), (905, 22300416), (960, 21022788), (1086, 18583680), (1152, 17518990), (1280, 15767091), (1440, 14015192), (1448, 13937760), (1629, 12389120), (1810, 11150208), (1920, 10511394), (2172, 9291840), (2304, 8759495), (2715, 7433472), (2880, 7007596), (2896, 6968880), (3258, 6194560), (3620, 5575104), (3840, 5255697), (4344, 4645920), (5430, 3716736), (5760, 3503798), (5792, 3484440), (6516, 3097280), (7240, 2787552), (8145, 2477824), (8688, 2322960), (9679, 2085120), (10860, 1858368), (11520, 1751899), (11584, 1742220), (13032, 1548640), (14480, 1393776), (16290, 1238912), (17376, 1161480), (19358, 1042560), (21720, 929184), (23168, 871110), (26064, 774320), (28960, 696888), (29037, 695040), (32580, 619456), (34752, 580740), (38716, 521280), (43440, 464592), (46336, 435555), (48395, 417024), (52128, 387160), (57920, 348444), (58074, 347520), (65160, 309728), (69504, 290370), (77432, 260640), (86880, 232296), (87111, 231680), (96790, 208512), (104256, 193580), (115840, 174222), (116148, 173760), (130320, 154864), (139008, 145185)]