81887760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12637}}^1$

素因数の和:12662

約数の個数: 100

約数和(自身を含む): 284430828

約数和(自身を除く): 202543068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12637, 25274, 37911, 50548, 63185, 75822, 101096, 113733, 126370, 151644, 189555, 202192, 227466, 252740, 303288, 341199, 379110, 454932, 505480, 568665, 606576, 682398, 758220, 909864, 1010960, 1023597, 1137330, 1364796, 1516440, 1705995, 1819728, 2047194, 2274660, 2729592, 3032880, 3411990, 4094388, 4549320, 5117985, 5459184, 6823980, 8188776, 9098640, 10235970, 13647960, 16377552, 20471940, 27295920, 40943880, 81887760]

約数ペア:

[(1, 81887760), (2, 40943880), (3, 27295920), (4, 20471940), (5, 16377552), (6, 13647960), (8, 10235970), (9, 9098640), (10, 8188776), (12, 6823980), (15, 5459184), (16, 5117985), (18, 4549320), (20, 4094388), (24, 3411990), (27, 3032880), (30, 2729592), (36, 2274660), (40, 2047194), (45, 1819728), (48, 1705995), (54, 1516440), (60, 1364796), (72, 1137330), (80, 1023597), (81, 1010960), (90, 909864), (108, 758220), (120, 682398), (135, 606576), (144, 568665), (162, 505480), (180, 454932), (216, 379110), (240, 341199), (270, 303288), (324, 252740), (360, 227466), (405, 202192), (432, 189555), (540, 151644), (648, 126370), (720, 113733), (810, 101096), (1080, 75822), (1296, 63185), (1620, 50548), (2160, 37911), (3240, 25274), (6480, 12637)]