28640340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159113}}^1$

素因数の和:159128

約数の個数: 36

約数和(自身を含む): 86876244

約数和(自身を除く): 58235904

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159113, 318226, 477339, 636452, 795565, 954678, 1432017, 1591130, 1909356, 2386695, 2864034, 3182260, 4773390, 5728068, 7160085, 9546780, 14320170, 28640340]

約数ペア:

[(1, 28640340), (2, 14320170), (3, 9546780), (4, 7160085), (5, 5728068), (6, 4773390), (9, 3182260), (10, 2864034), (12, 2386695), (15, 1909356), (18, 1591130), (20, 1432017), (30, 954678), (36, 795565), (45, 636452), (60, 477339), (90, 318226), (180, 159113)]