161428120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{576529}}^1$

素因数の和:576547

約数の個数: 32

約数和(自身を含む): 415101600

約数和(自身を除く): 253673480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 576529, 1153058, 2306116, 2882645, 4035703, 4612232, 5765290, 8071406, 11530580, 16142812, 20178515, 23061160, 32285624, 40357030, 80714060, 161428120]

約数ペア:

[(1, 161428120), (2, 80714060), (4, 40357030), (5, 32285624), (7, 23061160), (8, 20178515), (10, 16142812), (14, 11530580), (20, 8071406), (28, 5765290), (35, 4612232), (40, 4035703), (56, 2882645), (70, 2306116), (140, 1153058), (280, 576529)]