79815720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{665131}}^1$

素因数の和:665145

約数の個数: 32

約数和(自身を含む): 239447520

約数和(自身を除く): 159631800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 665131, 1330262, 1995393, 2660524, 3325655, 3990786, 5321048, 6651310, 7981572, 9976965, 13302620, 15963144, 19953930, 26605240, 39907860, 79815720]

約数ペア:

[(1, 79815720), (2, 39907860), (3, 26605240), (4, 19953930), (5, 15963144), (6, 13302620), (8, 9976965), (10, 7981572), (12, 6651310), (15, 5321048), (20, 3990786), (24, 3325655), (30, 2660524), (40, 1995393), (60, 1330262), (120, 665131)]