128129640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1067747}}^1$

素因数の和:1067761

約数の個数: 32

約数和(自身を含む): 384389280

約数和(自身を除く): 256259640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1067747, 2135494, 3203241, 4270988, 5338735, 6406482, 8541976, 10677470, 12812964, 16016205, 21354940, 25625928, 32032410, 42709880, 64064820, 128129640]

約数ペア:

[(1, 128129640), (2, 64064820), (3, 42709880), (4, 32032410), (5, 25625928), (6, 21354940), (8, 16016205), (10, 12812964), (12, 10677470), (15, 8541976), (20, 6406482), (24, 5338735), (30, 4270988), (40, 3203241), (60, 2135494), (120, 1067747)]