205651260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1142507}}^1$

素因数の和:1142522

約数の個数: 36

約数和(自身を含む): 623809368

約数和(自身を除く): 418158108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1142507, 2285014, 3427521, 4570028, 5712535, 6855042, 10282563, 11425070, 13710084, 17137605, 20565126, 22850140, 34275210, 41130252, 51412815, 68550420, 102825630, 205651260]

約数ペア:

[(1, 205651260), (2, 102825630), (3, 68550420), (4, 51412815), (5, 41130252), (6, 34275210), (9, 22850140), (10, 20565126), (12, 17137605), (15, 13710084), (18, 11425070), (20, 10282563), (30, 6855042), (36, 5712535), (45, 4570028), (60, 3427521), (90, 2285014), (180, 1142507)]