28747260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159707}}^1$

素因数の和:159722

約数の個数: 36

約数和(自身を含む): 87200568

約数和(自身を除く): 58453308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159707, 319414, 479121, 638828, 798535, 958242, 1437363, 1597070, 1916484, 2395605, 2874726, 3194140, 4791210, 5749452, 7186815, 9582420, 14373630, 28747260]

約数ペア:

[(1, 28747260), (2, 14373630), (3, 9582420), (4, 7186815), (5, 5749452), (6, 4791210), (9, 3194140), (10, 2874726), (12, 2395605), (15, 1916484), (18, 1597070), (20, 1437363), (30, 958242), (36, 798535), (45, 638828), (60, 479121), (90, 319414), (180, 159707)]