51319620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25919}}^1$

素因数の和:25945

約数の個数: 72

約数和(自身を含む): 169827840

約数和(自身を除く): 118508220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25919, 51838, 77757, 103676, 129595, 155514, 233271, 259190, 285109, 311028, 388785, 466542, 518380, 570218, 777570, 855327, 933084, 1140436, 1166355, 1425545, 1555140, 1710654, 2332710, 2565981, 2851090, 3421308, 4276635, 4665420, 5131962, 5702180, 8553270, 10263924, 12829905, 17106540, 25659810, 51319620]

約数ペア:

[(1, 51319620), (2, 25659810), (3, 17106540), (4, 12829905), (5, 10263924), (6, 8553270), (9, 5702180), (10, 5131962), (11, 4665420), (12, 4276635), (15, 3421308), (18, 2851090), (20, 2565981), (22, 2332710), (30, 1710654), (33, 1555140), (36, 1425545), (44, 1166355), (45, 1140436), (55, 933084), (60, 855327), (66, 777570), (90, 570218), (99, 518380), (110, 466542), (132, 388785), (165, 311028), (180, 285109), (198, 259190), (220, 233271), (330, 155514), (396, 129595), (495, 103676), (660, 77757), (990, 51838), (1980, 25919)]