1553220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{8629}}^1$

素因数の和:8644

約数の個数: 36

約数和(自身を含む): 4711980

約数和(自身を除く): 3158760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 8629, 17258, 25887, 34516, 43145, 51774, 77661, 86290, 103548, 129435, 155322, 172580, 258870, 310644, 388305, 517740, 776610, 1553220]

約数ペア:

[(1, 1553220), (2, 776610), (3, 517740), (4, 388305), (5, 310644), (6, 258870), (9, 172580), (10, 155322), (12, 129435), (15, 103548), (18, 86290), (20, 77661), (30, 51774), (36, 43145), (45, 34516), (60, 25887), (90, 17258), (180, 8629)]