199719180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2897}}^1$

素因数の和:3295

約数の個数: 72

約数和(自身を含む): 607606272

約数和(自身を除く): 407887092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 2897, 3447, 3830, 4596, 5745, 5794, 6894, 7660, 8691, 11490, 11588, 13788, 14485, 17235, 17382, 22980, 26073, 28970, 34470, 34764, 43455, 52146, 57940, 68940, 86910, 104292, 130365, 173820, 260730, 521460, 1109551, 2219102, 3328653, 4438204, 5547755, 6657306, 9985959, 11095510, 13314612, 16643265, 19971918, 22191020, 33286530, 39943836, 49929795, 66573060, 99859590, 199719180]

約数ペア:

[(1, 199719180), (2, 99859590), (3, 66573060), (4, 49929795), (5, 39943836), (6, 33286530), (9, 22191020), (10, 19971918), (12, 16643265), (15, 13314612), (18, 11095510), (20, 9985959), (30, 6657306), (36, 5547755), (45, 4438204), (60, 3328653), (90, 2219102), (180, 1109551), (383, 521460), (766, 260730), (1149, 173820), (1532, 130365), (1915, 104292), (2298, 86910), (2897, 68940), (3447, 57940), (3830, 52146), (4596, 43455), (5745, 34764), (5794, 34470), (6894, 28970), (7660, 26073), (8691, 22980), (11490, 17382), (11588, 17235), (13788, 14485)]