203506020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{125621}}^1$

素因数の和:125642

約数の個数: 60

約数和(自身を含む): 638411004

約数和(自身を除く): 434904984

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, 125621, 251242, 376863, 502484, 628105, 753726, 1130589, 1256210, 1507452, 1884315, 2261178, 2512420, 3391767, 3768630, 4522356, 5652945, 6783534, 7537260, 10175301, 11305890, 13567068, 16958835, 20350602, 22611780, 33917670, 40701204, 50876505, 67835340, 101753010, 203506020]

約数ペア:

[(1, 203506020), (2, 101753010), (3, 67835340), (4, 50876505), (5, 40701204), (6, 33917670), (9, 22611780), (10, 20350602), (12, 16958835), (15, 13567068), (18, 11305890), (20, 10175301), (27, 7537260), (30, 6783534), (36, 5652945), (45, 4522356), (54, 3768630), (60, 3391767), (81, 2512420), (90, 2261178), (108, 1884315), (135, 1507452), (162, 1256210), (180, 1130589), (270, 753726), (324, 628105), (405, 502484), (540, 376863), (810, 251242), (1620, 125621)]