239345640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{664849}}^1$

素因数の和:664866

約数の個数: 48

約数和(自身を含む): 777874500

約数和(自身を除く): 538528860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 664849, 1329698, 1994547, 2659396, 3324245, 3989094, 5318792, 5983641, 6648490, 7978188, 9972735, 11967282, 13296980, 15956376, 19945470, 23934564, 26593960, 29918205, 39890940, 47869128, 59836410, 79781880, 119672820, 239345640]

約数ペア:

[(1, 239345640), (2, 119672820), (3, 79781880), (4, 59836410), (5, 47869128), (6, 39890940), (8, 29918205), (9, 26593960), (10, 23934564), (12, 19945470), (15, 15956376), (18, 13296980), (20, 11967282), (24, 9972735), (30, 7978188), (36, 6648490), (40, 5983641), (45, 5318792), (60, 3989094), (72, 3324245), (90, 2659396), (120, 1994547), (180, 1329698), (360, 664849)]