81432864

素因数分解:

$2^5\times 3^4\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 120

約数和(自身を含む): 242868780

約数和(自身を除く): 161435916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 89, 96, 108, 144, 162, 178, 216, 267, 288, 324, 353, 356, 432, 534, 648, 706, 712, 801, 864, 1059, 1068, 1296, 1412, 1424, 1602, 2118, 2136, 2403, 2592, 2824, 2848, 3177, 3204, 4236, 4272, 4806, 5648, 6354, 6408, 7209, 8472, 8544, 9531, 9612, 11296, 12708, 12816, 14418, 16944, 19062, 19224, 25416, 25632, 28593, 28836, 31417, 33888, 38124, 38448, 50832, 57186, 57672, 62834, 76248, 76896, 94251, 101664, 114372, 115344, 125668, 152496, 188502, 228744, 230688, 251336, 282753, 304992, 377004, 457488, 502672, 565506, 754008, 848259, 914976, 1005344, 1131012, 1508016, 1696518, 2262024, 2544777, 3016032, 3393036, 4524048, 5089554, 6786072, 9048096, 10179108, 13572144, 20358216, 27144288, 40716432, 81432864]

約数ペア:

[(1, 81432864), (2, 40716432), (3, 27144288), (4, 20358216), (6, 13572144), (8, 10179108), (9, 9048096), (12, 6786072), (16, 5089554), (18, 4524048), (24, 3393036), (27, 3016032), (32, 2544777), (36, 2262024), (48, 1696518), (54, 1508016), (72, 1131012), (81, 1005344), (89, 914976), (96, 848259), (108, 754008), (144, 565506), (162, 502672), (178, 457488), (216, 377004), (267, 304992), (288, 282753), (324, 251336), (353, 230688), (356, 228744), (432, 188502), (534, 152496), (648, 125668), (706, 115344), (712, 114372), (801, 101664), (864, 94251), (1059, 76896), (1068, 76248), (1296, 62834), (1412, 57672), (1424, 57186), (1602, 50832), (2118, 38448), (2136, 38124), (2403, 33888), (2592, 31417), (2824, 28836), (2848, 28593), (3177, 25632), (3204, 25416), (4236, 19224), (4272, 19062), (4806, 16944), (5648, 14418), (6354, 12816), (6408, 12708), (7209, 11296), (8472, 9612), (8544, 9531)]