213269520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{888623}}^1$

素因数の和:888639

約数の個数: 40

約数和(自身を含む): 661136256

約数和(自身を除く): 447866736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 888623, 1777246, 2665869, 3554492, 4443115, 5331738, 7108984, 8886230, 10663476, 13329345, 14217968, 17772460, 21326952, 26658690, 35544920, 42653904, 53317380, 71089840, 106634760, 213269520]

約数ペア:

[(1, 213269520), (2, 106634760), (3, 71089840), (4, 53317380), (5, 42653904), (6, 35544920), (8, 26658690), (10, 21326952), (12, 17772460), (15, 14217968), (16, 13329345), (20, 10663476), (24, 8886230), (30, 7108984), (40, 5331738), (48, 4443115), (60, 3554492), (80, 2665869), (120, 1777246), (240, 888623)]