21876480

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 180

約数和(自身を含む): 78649032

約数和(自身を除く): 56772552

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, 211, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 422, 432, 480, 540, 576, 633, 640, 648, 720, 768, 810, 844, 864, 960, 1055, 1080, 1152, 1266, 1280, 1296, 1440, 1620, 1688, 1728, 1899, 1920, 2110, 2160, 2304, 2532, 2592, 2880, 3165, 3240, 3376, 3456, 3798, 3840, 4220, 4320, 5064, 5184, 5697, 5760, 6330, 6480, 6752, 6912, 7596, 8440, 8640, 9495, 10128, 10368, 11394, 11520, 12660, 12960, 13504, 15192, 16880, 17091, 17280, 18990, 20256, 20736, 22788, 25320, 25920, 27008, 28485, 30384, 33760, 34182, 34560, 37980, 40512, 45576, 50640, 51840, 54016, 56970, 60768, 67520, 68364, 75960, 81024, 85455, 91152, 101280, 103680, 113940, 121536, 135040, 136728, 151920, 162048, 170910, 182304, 202560, 227880, 243072, 270080, 273456, 303840, 341820, 364608, 405120, 455760, 486144, 546912, 607680, 683640, 729216, 810240, 911520, 1093824, 1215360, 1367280, 1458432, 1823040, 2187648, 2430720, 2734560, 3646080, 4375296, 5469120, 7292160, 10938240, 21876480]

約数ペア:

[(1, 21876480), (2, 10938240), (3, 7292160), (4, 5469120), (5, 4375296), (6, 3646080), (8, 2734560), (9, 2430720), (10, 2187648), (12, 1823040), (15, 1458432), (16, 1367280), (18, 1215360), (20, 1093824), (24, 911520), (27, 810240), (30, 729216), (32, 683640), (36, 607680), (40, 546912), (45, 486144), (48, 455760), (54, 405120), (60, 364608), (64, 341820), (72, 303840), (80, 273456), (81, 270080), (90, 243072), (96, 227880), (108, 202560), (120, 182304), (128, 170910), (135, 162048), (144, 151920), (160, 136728), (162, 135040), (180, 121536), (192, 113940), (211, 103680), (216, 101280), (240, 91152), (256, 85455), (270, 81024), (288, 75960), (320, 68364), (324, 67520), (360, 60768), (384, 56970), (405, 54016), (422, 51840), (432, 50640), (480, 45576), (540, 40512), (576, 37980), (633, 34560), (640, 34182), (648, 33760), (720, 30384), (768, 28485), (810, 27008), (844, 25920), (864, 25320), (960, 22788), (1055, 20736), (1080, 20256), (1152, 18990), (1266, 17280), (1280, 17091), (1296, 16880), (1440, 15192), (1620, 13504), (1688, 12960), (1728, 12660), (1899, 11520), (1920, 11394), (2110, 10368), (2160, 10128), (2304, 9495), (2532, 8640), (2592, 8440), (2880, 7596), (3165, 6912), (3240, 6752), (3376, 6480), (3456, 6330), (3798, 5760), (3840, 5697), (4220, 5184), (4320, 5064)]