181519020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2633}}^1$

素因数の和:3031

約数の個数: 72

約数和(自身を含む): 552254976

約数和(自身を除く): 370735956

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, 2633, 3447, 3830, 4596, 5266, 5745, 6894, 7660, 7899, 10532, 11490, 13165, 13788, 15798, 17235, 22980, 23697, 26330, 31596, 34470, 39495, 47394, 52660, 68940, 78990, 94788, 118485, 157980, 236970, 473940, 1008439, 2016878, 3025317, 4033756, 5042195, 6050634, 9075951, 10084390, 12101268, 15126585, 18151902, 20168780, 30253170, 36303804, 45379755, 60506340, 90759510, 181519020]

約数ペア:

[(1, 181519020), (2, 90759510), (3, 60506340), (4, 45379755), (5, 36303804), (6, 30253170), (9, 20168780), (10, 18151902), (12, 15126585), (15, 12101268), (18, 10084390), (20, 9075951), (30, 6050634), (36, 5042195), (45, 4033756), (60, 3025317), (90, 2016878), (180, 1008439), (383, 473940), (766, 236970), (1149, 157980), (1532, 118485), (1915, 94788), (2298, 78990), (2633, 68940), (3447, 52660), (3830, 47394), (4596, 39495), (5266, 34470), (5745, 31596), (6894, 26330), (7660, 23697), (7899, 22980), (10532, 17235), (11490, 15798), (13165, 13788)]