81387264

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{15139}}^1$

素因数の和:15165

約数の個数: 72

約数和(自身を含む): 247569280

約数和(自身を除く): 166182016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 15139, 30278, 45417, 60556, 90834, 105973, 121112, 181668, 211946, 242224, 317919, 363336, 423892, 484448, 635838, 726672, 847784, 968896, 1271676, 1453344, 1695568, 1937792, 2543352, 2906688, 3391136, 3875584, 5086704, 5813376, 6782272, 10173408, 11626752, 13564544, 20346816, 27129088, 40693632, 81387264]

約数ペア:

[(1, 81387264), (2, 40693632), (3, 27129088), (4, 20346816), (6, 13564544), (7, 11626752), (8, 10173408), (12, 6782272), (14, 5813376), (16, 5086704), (21, 3875584), (24, 3391136), (28, 2906688), (32, 2543352), (42, 1937792), (48, 1695568), (56, 1453344), (64, 1271676), (84, 968896), (96, 847784), (112, 726672), (128, 635838), (168, 484448), (192, 423892), (224, 363336), (256, 317919), (336, 242224), (384, 211946), (448, 181668), (672, 121112), (768, 105973), (896, 90834), (1344, 60556), (1792, 45417), (2688, 30278), (5376, 15139)]