205957728

素因数分解:

$2^5\times 3^4\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 120

約数和(自身を含む): 610449840

約数和(自身を除く): 404492112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 181, 216, 288, 324, 362, 432, 439, 543, 648, 724, 864, 878, 1086, 1296, 1317, 1448, 1629, 1756, 2172, 2592, 2634, 2896, 3258, 3512, 3951, 4344, 4887, 5268, 5792, 6516, 7024, 7902, 8688, 9774, 10536, 11853, 13032, 14048, 14661, 15804, 17376, 19548, 21072, 23706, 26064, 29322, 31608, 35559, 39096, 42144, 47412, 52128, 58644, 63216, 71118, 78192, 79459, 94824, 117288, 126432, 142236, 156384, 158918, 189648, 234576, 238377, 284472, 317836, 379296, 469152, 476754, 568944, 635672, 715131, 953508, 1137888, 1271344, 1430262, 1907016, 2145393, 2542688, 2860524, 3814032, 4290786, 5721048, 6436179, 7628064, 8581572, 11442096, 12872358, 17163144, 22884192, 25744716, 34326288, 51489432, 68652576, 102978864, 205957728]

約数ペア:

[(1, 205957728), (2, 102978864), (3, 68652576), (4, 51489432), (6, 34326288), (8, 25744716), (9, 22884192), (12, 17163144), (16, 12872358), (18, 11442096), (24, 8581572), (27, 7628064), (32, 6436179), (36, 5721048), (48, 4290786), (54, 3814032), (72, 2860524), (81, 2542688), (96, 2145393), (108, 1907016), (144, 1430262), (162, 1271344), (181, 1137888), (216, 953508), (288, 715131), (324, 635672), (362, 568944), (432, 476754), (439, 469152), (543, 379296), (648, 317836), (724, 284472), (864, 238377), (878, 234576), (1086, 189648), (1296, 158918), (1317, 156384), (1448, 142236), (1629, 126432), (1756, 117288), (2172, 94824), (2592, 79459), (2634, 78192), (2896, 71118), (3258, 63216), (3512, 58644), (3951, 52128), (4344, 47412), (4887, 42144), (5268, 39096), (5792, 35559), (6516, 31608), (7024, 29322), (7902, 26064), (8688, 23706), (9774, 21072), (10536, 19548), (11853, 17376), (13032, 15804), (14048, 14661)]