221748720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923953}}^1$

素因数の和:923969

約数の個数: 40

約数和(自身を含む): 687421776

約数和(自身を除く): 465673056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923953, 1847906, 2771859, 3695812, 4619765, 5543718, 7391624, 9239530, 11087436, 13859295, 14783248, 18479060, 22174872, 27718590, 36958120, 44349744, 55437180, 73916240, 110874360, 221748720]

約数ペア:

[(1, 221748720), (2, 110874360), (3, 73916240), (4, 55437180), (5, 44349744), (6, 36958120), (8, 27718590), (10, 22174872), (12, 18479060), (15, 14783248), (16, 13859295), (20, 11087436), (24, 9239530), (30, 7391624), (40, 5543718), (48, 4619765), (60, 3695812), (80, 2771859), (120, 1847906), (240, 923953)]