216689640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1805747}}^1$

素因数の和:1805761

約数の個数: 32

約数和(自身を含む): 650069280

約数和(自身を除く): 433379640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1805747, 3611494, 5417241, 7222988, 9028735, 10834482, 14445976, 18057470, 21668964, 27086205, 36114940, 43337928, 54172410, 72229880, 108344820, 216689640]

約数ペア:

[(1, 216689640), (2, 108344820), (3, 72229880), (4, 54172410), (5, 43337928), (6, 36114940), (8, 27086205), (10, 21668964), (12, 18057470), (15, 14445976), (20, 10834482), (24, 9028735), (30, 7222988), (40, 5417241), (60, 3611494), (120, 1805747)]