123218240

素因数分解:

$2^6\times 5^1\times {\mathrm{385057}}^1$

素因数の和:385074

約数の個数: 28

約数和(自身を含む): 293414196

約数和(自身を除く): 170195956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 385057, 770114, 1540228, 1925285, 3080456, 3850570, 6160912, 7701140, 12321824, 15402280, 24643648, 30804560, 61609120, 123218240]

約数ペア:

[(1, 123218240), (2, 61609120), (4, 30804560), (5, 24643648), (8, 15402280), (10, 12321824), (16, 7701140), (20, 6160912), (32, 3850570), (40, 3080456), (64, 1925285), (80, 1540228), (160, 770114), (320, 385057)]