17881020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33113}}^1$

素因数の和:33131

約数の個数: 48

約数和(自身を含む): 55631520

約数和(自身を除く): 37750500

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, 33113, 66226, 99339, 132452, 165565, 198678, 298017, 331130, 397356, 496695, 596034, 662260, 894051, 993390, 1192068, 1490085, 1788102, 1986780, 2980170, 3576204, 4470255, 5960340, 8940510, 17881020]

約数ペア:

[(1, 17881020), (2, 8940510), (3, 5960340), (4, 4470255), (5, 3576204), (6, 2980170), (9, 1986780), (10, 1788102), (12, 1490085), (15, 1192068), (18, 993390), (20, 894051), (27, 662260), (30, 596034), (36, 496695), (45, 397356), (54, 331130), (60, 298017), (90, 198678), (108, 165565), (135, 132452), (180, 99339), (270, 66226), (540, 33113)]