320088420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4643}}^1$

素因数の和:5041

約数の個数: 72

約数和(自身を含む): 973679616

約数和(自身を除く): 653591196

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, 3447, 3830, 4596, 4643, 5745, 6894, 7660, 9286, 11490, 13788, 13929, 17235, 18572, 22980, 23215, 27858, 34470, 41787, 46430, 55716, 68940, 69645, 83574, 92860, 139290, 167148, 208935, 278580, 417870, 835740, 1778269, 3556538, 5334807, 7113076, 8891345, 10669614, 16004421, 17782690, 21339228, 26674035, 32008842, 35565380, 53348070, 64017684, 80022105, 106696140, 160044210, 320088420]

約数ペア:

[(1, 320088420), (2, 160044210), (3, 106696140), (4, 80022105), (5, 64017684), (6, 53348070), (9, 35565380), (10, 32008842), (12, 26674035), (15, 21339228), (18, 17782690), (20, 16004421), (30, 10669614), (36, 8891345), (45, 7113076), (60, 5334807), (90, 3556538), (180, 1778269), (383, 835740), (766, 417870), (1149, 278580), (1532, 208935), (1915, 167148), (2298, 139290), (3447, 92860), (3830, 83574), (4596, 69645), (4643, 68940), (5745, 55716), (6894, 46430), (7660, 41787), (9286, 34470), (11490, 27858), (13788, 23215), (13929, 22980), (17235, 18572)]