690833120

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26489}}^1$

素因数の和:26667

約数の個数: 48

約数和(自身を含む): 1642168080

約数和(自身を除く): 951334960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 26489, 52978, 105956, 132445, 211912, 264890, 423824, 529780, 847648, 1059560, 2119120, 4238240, 4317707, 8635414, 17270828, 21588535, 34541656, 43177070, 69083312, 86354140, 138166624, 172708280, 345416560, 690833120]

約数ペア:

[(1, 690833120), (2, 345416560), (4, 172708280), (5, 138166624), (8, 86354140), (10, 69083312), (16, 43177070), (20, 34541656), (32, 21588535), (40, 17270828), (80, 8635414), (160, 4317707), (163, 4238240), (326, 2119120), (652, 1059560), (815, 847648), (1304, 529780), (1630, 423824), (2608, 264890), (3260, 211912), (5216, 132445), (6520, 105956), (13040, 52978), (26080, 26489)]