145329280

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2341}}^1$

素因数の和:2457

約数の個数: 64

約数和(自身を含む): 351159480

約数和(自身を除く): 205830200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1940, 2341, 3104, 3880, 4682, 6208, 7760, 9364, 11705, 12416, 15520, 18728, 23410, 31040, 37456, 46820, 62080, 74912, 93640, 149824, 187280, 227077, 299648, 374560, 454154, 749120, 908308, 1135385, 1498240, 1816616, 2270770, 3633232, 4541540, 7266464, 9083080, 14532928, 18166160, 29065856, 36332320, 72664640, 145329280]

約数ペア:

[(1, 145329280), (2, 72664640), (4, 36332320), (5, 29065856), (8, 18166160), (10, 14532928), (16, 9083080), (20, 7266464), (32, 4541540), (40, 3633232), (64, 2270770), (80, 1816616), (97, 1498240), (128, 1135385), (160, 908308), (194, 749120), (320, 454154), (388, 374560), (485, 299648), (640, 227077), (776, 187280), (970, 149824), (1552, 93640), (1940, 74912), (2341, 62080), (3104, 46820), (3880, 37456), (4682, 31040), (6208, 23410), (7760, 18728), (9364, 15520), (11705, 12416)]