61738240

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 149375520

約数和(自身を除く): 87637280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 347, 556, 640, 694, 695, 1112, 1280, 1388, 1390, 1735, 2224, 2776, 2780, 3470, 4448, 5552, 5560, 6940, 8896, 11104, 11120, 13880, 17792, 22208, 22240, 27760, 35584, 44416, 44480, 48233, 55520, 88832, 88960, 96466, 111040, 177920, 192932, 222080, 241165, 385864, 444160, 482330, 771728, 964660, 1543456, 1929320, 3086912, 3858640, 6173824, 7717280, 12347648, 15434560, 30869120, 61738240]

約数ペア:

[(1, 61738240), (2, 30869120), (4, 15434560), (5, 12347648), (8, 7717280), (10, 6173824), (16, 3858640), (20, 3086912), (32, 1929320), (40, 1543456), (64, 964660), (80, 771728), (128, 482330), (139, 444160), (160, 385864), (256, 241165), (278, 222080), (320, 192932), (347, 177920), (556, 111040), (640, 96466), (694, 88960), (695, 88832), (1112, 55520), (1280, 48233), (1388, 44480), (1390, 44416), (1735, 35584), (2224, 27760), (2776, 22240), (2780, 22208), (3470, 17792), (4448, 13880), (5552, 11120), (5560, 11104), (6940, 8896)]