72037280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64319}}^1$

素因数の和:64341

約数の個数: 48

約数和(自身を含む): 194503680

約数和(自身を除く): 122466400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64319, 128638, 257276, 321595, 450233, 514552, 643190, 900466, 1029104, 1286380, 1800932, 2058208, 2251165, 2572760, 3601864, 4502330, 5145520, 7203728, 9004660, 10291040, 14407456, 18009320, 36018640, 72037280]

約数ペア:

[(1, 72037280), (2, 36018640), (4, 18009320), (5, 14407456), (7, 10291040), (8, 9004660), (10, 7203728), (14, 5145520), (16, 4502330), (20, 3601864), (28, 2572760), (32, 2251165), (35, 2058208), (40, 1800932), (56, 1286380), (70, 1029104), (80, 900466), (112, 643190), (140, 514552), (160, 450233), (224, 321595), (280, 257276), (560, 128638), (1120, 64319)]