128640528

素因数分解:

$2^4\times 3^3\times {\mathrm{297779}}^1$

素因数の和:297796

約数の個数: 40

約数和(自身を含む): 369247200

約数和(自身を除く): 240606672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 297779, 595558, 893337, 1191116, 1786674, 2382232, 2680011, 3573348, 4764464, 5360022, 7146696, 8040033, 10720044, 14293392, 16080066, 21440088, 32160132, 42880176, 64320264, 128640528]

約数ペア:

[(1, 128640528), (2, 64320264), (3, 42880176), (4, 32160132), (6, 21440088), (8, 16080066), (9, 14293392), (12, 10720044), (16, 8040033), (18, 7146696), (24, 5360022), (27, 4764464), (36, 3573348), (48, 2680011), (54, 2382232), (72, 1786674), (108, 1191116), (144, 893337), (216, 595558), (432, 297779)]