72664640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2341}}^1$

素因数の和:2455

約数の個数: 56

約数和(自身を含む): 174891192

約数和(自身を除く): 102226552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 2341, 3104, 3880, 4682, 6208, 7760, 9364, 11705, 15520, 18728, 23410, 31040, 37456, 46820, 74912, 93640, 149824, 187280, 227077, 374560, 454154, 749120, 908308, 1135385, 1816616, 2270770, 3633232, 4541540, 7266464, 9083080, 14532928, 18166160, 36332320, 72664640]

約数ペア:

[(1, 72664640), (2, 36332320), (4, 18166160), (5, 14532928), (8, 9083080), (10, 7266464), (16, 4541540), (20, 3633232), (32, 2270770), (40, 1816616), (64, 1135385), (80, 908308), (97, 749120), (160, 454154), (194, 374560), (320, 227077), (388, 187280), (485, 149824), (776, 93640), (970, 74912), (1552, 46820), (1940, 37456), (2341, 31040), (3104, 23410), (3880, 18728), (4682, 15520), (6208, 11705), (7760, 9364)]