78577020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145513}}^1$

素因数の和:145531

約数の個数: 48

約数和(自身を含む): 244463520

約数和(自身を除く): 165886500

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, 145513, 291026, 436539, 582052, 727565, 873078, 1309617, 1455130, 1746156, 2182695, 2619234, 2910260, 3928851, 4365390, 5238468, 6548085, 7857702, 8730780, 13096170, 15715404, 19644255, 26192340, 39288510, 78577020]

約数ペア:

[(1, 78577020), (2, 39288510), (3, 26192340), (4, 19644255), (5, 15715404), (6, 13096170), (9, 8730780), (10, 7857702), (12, 6548085), (15, 5238468), (18, 4365390), (20, 3928851), (27, 2910260), (30, 2619234), (36, 2182695), (45, 1746156), (54, 1455130), (60, 1309617), (90, 873078), (108, 727565), (135, 582052), (180, 436539), (270, 291026), (540, 145513)]