71212480

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1757

約数の個数: 56

約数和(自身を含む): 170901360

約数和(自身を除く): 99688880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1601, 2224, 2780, 3202, 4448, 5560, 6404, 8005, 8896, 11120, 12808, 16010, 22240, 25616, 32020, 44480, 51232, 64040, 102464, 128080, 222539, 256160, 445078, 512320, 890156, 1112695, 1780312, 2225390, 3560624, 4450780, 7121248, 8901560, 14242496, 17803120, 35606240, 71212480]

約数ペア:

[(1, 71212480), (2, 35606240), (4, 17803120), (5, 14242496), (8, 8901560), (10, 7121248), (16, 4450780), (20, 3560624), (32, 2225390), (40, 1780312), (64, 1112695), (80, 890156), (139, 512320), (160, 445078), (278, 256160), (320, 222539), (556, 128080), (695, 102464), (1112, 64040), (1390, 51232), (1601, 44480), (2224, 32020), (2780, 25616), (3202, 22240), (4448, 16010), (5560, 12808), (6404, 11120), (8005, 8896)]