72840420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10937}}^1$

素因数の和:10989

約数の個数: 72

約数和(自身を含む): 226941624

約数和(自身を除く): 154101204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 10937, 21874, 32811, 43748, 54685, 65622, 98433, 109370, 131244, 164055, 196866, 218740, 328110, 393732, 404669, 492165, 656220, 809338, 984330, 1214007, 1618676, 1968660, 2023345, 2428014, 3642021, 4046690, 4856028, 6070035, 7284042, 8093380, 12140070, 14568084, 18210105, 24280140, 36420210, 72840420]

約数ペア:

[(1, 72840420), (2, 36420210), (3, 24280140), (4, 18210105), (5, 14568084), (6, 12140070), (9, 8093380), (10, 7284042), (12, 6070035), (15, 4856028), (18, 4046690), (20, 3642021), (30, 2428014), (36, 2023345), (37, 1968660), (45, 1618676), (60, 1214007), (74, 984330), (90, 809338), (111, 656220), (148, 492165), (180, 404669), (185, 393732), (222, 328110), (333, 218740), (370, 196866), (444, 164055), (555, 131244), (666, 109370), (740, 98433), (1110, 65622), (1332, 54685), (1665, 43748), (2220, 32811), (3330, 21874), (6660, 10937)]