81381216

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 245548800

約数和(自身を除く): 164167584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 347, 349, 672, 694, 698, 1041, 1047, 1388, 1396, 2082, 2094, 2429, 2443, 2776, 2792, 4164, 4188, 4858, 4886, 5552, 5584, 7287, 7329, 8328, 8376, 9716, 9772, 11104, 11168, 14574, 14658, 16656, 16752, 19432, 19544, 29148, 29316, 33312, 33504, 38864, 39088, 58296, 58632, 77728, 78176, 116592, 117264, 121103, 233184, 234528, 242206, 363309, 484412, 726618, 847721, 968824, 1453236, 1695442, 1937648, 2543163, 2906472, 3390884, 3875296, 5086326, 5812944, 6781768, 10172652, 11625888, 13563536, 20345304, 27127072, 40690608, 81381216]

約数ペア:

[(1, 81381216), (2, 40690608), (3, 27127072), (4, 20345304), (6, 13563536), (7, 11625888), (8, 10172652), (12, 6781768), (14, 5812944), (16, 5086326), (21, 3875296), (24, 3390884), (28, 2906472), (32, 2543163), (42, 1937648), (48, 1695442), (56, 1453236), (84, 968824), (96, 847721), (112, 726618), (168, 484412), (224, 363309), (336, 242206), (347, 234528), (349, 233184), (672, 121103), (694, 117264), (698, 116592), (1041, 78176), (1047, 77728), (1388, 58632), (1396, 58296), (2082, 39088), (2094, 38864), (2429, 33504), (2443, 33312), (2776, 29316), (2792, 29148), (4164, 19544), (4188, 19432), (4858, 16752), (4886, 16656), (5552, 14658), (5584, 14574), (7287, 11168), (7329, 11104), (8328, 9772), (8376, 9716)]