320161240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1143433}}^1$

素因数の和:1143451

約数の個数: 32

約数和(自身を含む): 823272480

約数和(自身を除く): 503111240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1143433, 2286866, 4573732, 5717165, 8004031, 9147464, 11434330, 16008062, 22868660, 32016124, 40020155, 45737320, 64032248, 80040310, 160080620, 320161240]

約数ペア:

[(1, 320161240), (2, 160080620), (4, 80040310), (5, 64032248), (7, 45737320), (8, 40020155), (10, 32016124), (14, 22868660), (20, 16008062), (28, 11434330), (35, 9147464), (40, 8004031), (56, 5717165), (70, 4573732), (140, 2286866), (280, 1143433)]