28740780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159671}}^1$

素因数の和:159686

約数の個数: 36

約数和(自身を含む): 87180912

約数和(自身を除く): 58440132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159671, 319342, 479013, 638684, 798355, 958026, 1437039, 1596710, 1916052, 2395065, 2874078, 3193420, 4790130, 5748156, 7185195, 9580260, 14370390, 28740780]

約数ペア:

[(1, 28740780), (2, 14370390), (3, 9580260), (4, 7185195), (5, 5748156), (6, 4790130), (9, 3193420), (10, 2874078), (12, 2395065), (15, 1916052), (18, 1596710), (20, 1437039), (30, 958026), (36, 798355), (45, 638684), (60, 479013), (90, 319342), (180, 159671)]