205464240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2053}}^1$

素因数の和:2211

約数の個数: 120

約数和(自身を含む): 695320080

約数和(自身を除く): 489855840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2053, 2085, 2224, 2502, 2780, 3336, 4106, 4170, 5004, 5560, 6159, 6255, 6672, 8212, 8340, 10008, 10265, 11120, 12318, 12510, 16424, 16680, 18477, 20016, 20530, 24636, 25020, 30795, 32848, 33360, 36954, 41060, 49272, 50040, 61590, 73908, 82120, 92385, 98544, 100080, 123180, 147816, 164240, 184770, 246360, 285367, 295632, 369540, 492720, 570734, 739080, 856101, 1141468, 1426835, 1478160, 1712202, 2282936, 2568303, 2853670, 3424404, 4280505, 4565872, 5136606, 5707340, 6848808, 8561010, 10273212, 11414680, 12841515, 13697616, 17122020, 20546424, 22829360, 25683030, 34244040, 41092848, 51366060, 68488080, 102732120, 205464240]

約数ペア:

[(1, 205464240), (2, 102732120), (3, 68488080), (4, 51366060), (5, 41092848), (6, 34244040), (8, 25683030), (9, 22829360), (10, 20546424), (12, 17122020), (15, 13697616), (16, 12841515), (18, 11414680), (20, 10273212), (24, 8561010), (30, 6848808), (36, 5707340), (40, 5136606), (45, 4565872), (48, 4280505), (60, 3424404), (72, 2853670), (80, 2568303), (90, 2282936), (120, 1712202), (139, 1478160), (144, 1426835), (180, 1141468), (240, 856101), (278, 739080), (360, 570734), (417, 492720), (556, 369540), (695, 295632), (720, 285367), (834, 246360), (1112, 184770), (1251, 164240), (1390, 147816), (1668, 123180), (2053, 100080), (2085, 98544), (2224, 92385), (2502, 82120), (2780, 73908), (3336, 61590), (4106, 50040), (4170, 49272), (5004, 41060), (5560, 36954), (6159, 33360), (6255, 32848), (6672, 30795), (8212, 25020), (8340, 24636), (10008, 20530), (10265, 20016), (11120, 18477), (12318, 16680), (12510, 16424)]