81548640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 192

約数和(自身を含む): 292723200

約数和(自身を除く): 211174560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 215, 216, 240, 258, 270, 288, 344, 360, 387, 430, 432, 439, 480, 516, 540, 645, 688, 720, 774, 860, 864, 878, 1032, 1080, 1161, 1290, 1317, 1376, 1440, 1548, 1720, 1756, 1935, 2064, 2160, 2195, 2322, 2580, 2634, 3096, 3440, 3512, 3870, 3951, 4128, 4320, 4390, 4644, 5160, 5268, 5805, 6192, 6585, 6880, 7024, 7740, 7902, 8780, 9288, 10320, 10536, 11610, 11853, 12384, 13170, 14048, 15480, 15804, 17560, 18576, 18877, 19755, 20640, 21072, 23220, 23706, 26340, 30960, 31608, 35120, 37152, 37754, 39510, 42144, 46440, 47412, 52680, 56631, 59265, 61920, 63216, 70240, 75508, 79020, 92880, 94385, 94824, 105360, 113262, 118530, 126432, 151016, 158040, 169893, 185760, 188770, 189648, 210720, 226524, 237060, 283155, 302032, 316080, 339786, 377540, 379296, 453048, 474120, 509679, 566310, 604064, 632160, 679572, 755080, 849465, 906096, 948240, 1019358, 1132620, 1359144, 1510160, 1698930, 1812192, 1896480, 2038716, 2265240, 2548395, 2718288, 3020320, 3397860, 4077432, 4530480, 5096790, 5436576, 6795720, 8154864, 9060960, 10193580, 13591440, 16309728, 20387160, 27182880, 40774320, 81548640]

約数ペア:

[(1, 81548640), (2, 40774320), (3, 27182880), (4, 20387160), (5, 16309728), (6, 13591440), (8, 10193580), (9, 9060960), (10, 8154864), (12, 6795720), (15, 5436576), (16, 5096790), (18, 4530480), (20, 4077432), (24, 3397860), (27, 3020320), (30, 2718288), (32, 2548395), (36, 2265240), (40, 2038716), (43, 1896480), (45, 1812192), (48, 1698930), (54, 1510160), (60, 1359144), (72, 1132620), (80, 1019358), (86, 948240), (90, 906096), (96, 849465), (108, 755080), (120, 679572), (129, 632160), (135, 604064), (144, 566310), (160, 509679), (172, 474120), (180, 453048), (215, 379296), (216, 377540), (240, 339786), (258, 316080), (270, 302032), (288, 283155), (344, 237060), (360, 226524), (387, 210720), (430, 189648), (432, 188770), (439, 185760), (480, 169893), (516, 158040), (540, 151016), (645, 126432), (688, 118530), (720, 113262), (774, 105360), (860, 94824), (864, 94385), (878, 92880), (1032, 79020), (1080, 75508), (1161, 70240), (1290, 63216), (1317, 61920), (1376, 59265), (1440, 56631), (1548, 52680), (1720, 47412), (1756, 46440), (1935, 42144), (2064, 39510), (2160, 37754), (2195, 37152), (2322, 35120), (2580, 31608), (2634, 30960), (3096, 26340), (3440, 23706), (3512, 23220), (3870, 21072), (3951, 20640), (4128, 19755), (4320, 18877), (4390, 18576), (4644, 17560), (5160, 15804), (5268, 15480), (5805, 14048), (6192, 13170), (6585, 12384), (6880, 11853), (7024, 11610), (7740, 10536), (7902, 10320), (8780, 9288)]