85678180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 132049820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 116, 140, 145, 188, 203, 235, 290, 329, 406, 449, 470, 580, 658, 812, 898, 940, 1015, 1316, 1363, 1645, 1796, 2030, 2245, 2726, 3143, 3290, 4060, 4490, 5452, 6286, 6580, 6815, 8980, 9541, 12572, 13021, 13630, 15715, 19082, 21103, 26042, 27260, 31430, 38164, 42206, 47705, 52084, 62860, 65105, 84412, 91147, 95410, 105515, 130210, 147721, 182294, 190820, 211030, 260420, 295442, 364588, 422060, 455735, 590884, 611987, 738605, 911470, 1223974, 1477210, 1822940, 2447948, 2954420, 3059935, 4283909, 6119870, 8567818, 12239740, 17135636, 21419545, 42839090, 85678180]

約数ペア:

[(1, 85678180), (2, 42839090), (4, 21419545), (5, 17135636), (7, 12239740), (10, 8567818), (14, 6119870), (20, 4283909), (28, 3059935), (29, 2954420), (35, 2447948), (47, 1822940), (58, 1477210), (70, 1223974), (94, 911470), (116, 738605), (140, 611987), (145, 590884), (188, 455735), (203, 422060), (235, 364588), (290, 295442), (329, 260420), (406, 211030), (449, 190820), (470, 182294), (580, 147721), (658, 130210), (812, 105515), (898, 95410), (940, 91147), (1015, 84412), (1316, 65105), (1363, 62860), (1645, 52084), (1796, 47705), (2030, 42206), (2245, 38164), (2726, 31430), (3143, 27260), (3290, 26042), (4060, 21103), (4490, 19082), (5452, 15715), (6286, 13630), (6580, 13021), (6815, 12572), (8980, 9541)]