66721320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20593}}^1$

素因数の和:20616

約数の個数: 80

約数和(自身を含む): 224268660

約数和(自身を除く): 157547340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20593, 41186, 61779, 82372, 102965, 123558, 164744, 185337, 205930, 247116, 308895, 370674, 411860, 494232, 556011, 617790, 741348, 823720, 926685, 1112022, 1235580, 1482696, 1668033, 1853370, 2224044, 2471160, 2780055, 3336066, 3706740, 4448088, 5560110, 6672132, 7413480, 8340165, 11120220, 13344264, 16680330, 22240440, 33360660, 66721320]

約数ペア:

[(1, 66721320), (2, 33360660), (3, 22240440), (4, 16680330), (5, 13344264), (6, 11120220), (8, 8340165), (9, 7413480), (10, 6672132), (12, 5560110), (15, 4448088), (18, 3706740), (20, 3336066), (24, 2780055), (27, 2471160), (30, 2224044), (36, 1853370), (40, 1668033), (45, 1482696), (54, 1235580), (60, 1112022), (72, 926685), (81, 823720), (90, 741348), (108, 617790), (120, 556011), (135, 494232), (162, 411860), (180, 370674), (216, 308895), (270, 247116), (324, 205930), (360, 185337), (405, 164744), (540, 123558), (648, 102965), (810, 82372), (1080, 61779), (1620, 41186), (3240, 20593)]