28189620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17401}}^1$

素因数の和:17422

約数の個数: 60

約数和(自身を含む): 88436964

約数和(自身を除く): 60247344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17401, 34802, 52203, 69604, 87005, 104406, 156609, 174010, 208812, 261015, 313218, 348020, 469827, 522030, 626436, 783045, 939654, 1044060, 1409481, 1566090, 1879308, 2349135, 2818962, 3132180, 4698270, 5637924, 7047405, 9396540, 14094810, 28189620]

約数ペア:

[(1, 28189620), (2, 14094810), (3, 9396540), (4, 7047405), (5, 5637924), (6, 4698270), (9, 3132180), (10, 2818962), (12, 2349135), (15, 1879308), (18, 1566090), (20, 1409481), (27, 1044060), (30, 939654), (36, 783045), (45, 626436), (54, 522030), (60, 469827), (81, 348020), (90, 313218), (108, 261015), (135, 208812), (162, 174010), (180, 156609), (270, 104406), (324, 87005), (405, 69604), (540, 52203), (810, 34802), (1620, 17401)]