198426780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{367457}}^1$

素因数の和:367475

約数の個数: 48

約数和(自身を含む): 617329440

約数和(自身を除く): 418902660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 367457, 734914, 1102371, 1469828, 1837285, 2204742, 3307113, 3674570, 4409484, 5511855, 6614226, 7349140, 9921339, 11023710, 13228452, 16535565, 19842678, 22047420, 33071130, 39685356, 49606695, 66142260, 99213390, 198426780]

約数ペア:

[(1, 198426780), (2, 99213390), (3, 66142260), (4, 49606695), (5, 39685356), (6, 33071130), (9, 22047420), (10, 19842678), (12, 16535565), (15, 13228452), (18, 11023710), (20, 9921339), (27, 7349140), (30, 6614226), (36, 5511855), (45, 4409484), (54, 3674570), (60, 3307113), (90, 2204742), (108, 1837285), (135, 1469828), (180, 1102371), (270, 734914), (540, 367457)]