261269520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088623}}^1$

素因数の和:1088639

約数の個数: 40

約数和(自身を含む): 809936256

約数和(自身を除く): 548666736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088623, 2177246, 3265869, 4354492, 5443115, 6531738, 8708984, 10886230, 13063476, 16329345, 17417968, 21772460, 26126952, 32658690, 43544920, 52253904, 65317380, 87089840, 130634760, 261269520]

約数ペア:

[(1, 261269520), (2, 130634760), (3, 87089840), (4, 65317380), (5, 52253904), (6, 43544920), (8, 32658690), (10, 26126952), (12, 21772460), (15, 17417968), (16, 16329345), (20, 13063476), (24, 10886230), (30, 8708984), (40, 6531738), (48, 5443115), (60, 4354492), (80, 3265869), (120, 2177246), (240, 1088623)]