51798780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26161}}^1$

素因数の和:26187

約数の個数: 72

約数和(自身を含む): 171413424

約数和(自身を除く): 119614644

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, 26161, 52322, 78483, 104644, 130805, 156966, 235449, 261610, 287771, 313932, 392415, 470898, 523220, 575542, 784830, 863313, 941796, 1151084, 1177245, 1438855, 1569660, 1726626, 2354490, 2589939, 2877710, 3453252, 4316565, 4708980, 5179878, 5755420, 8633130, 10359756, 12949695, 17266260, 25899390, 51798780]

約数ペア:

[(1, 51798780), (2, 25899390), (3, 17266260), (4, 12949695), (5, 10359756), (6, 8633130), (9, 5755420), (10, 5179878), (11, 4708980), (12, 4316565), (15, 3453252), (18, 2877710), (20, 2589939), (22, 2354490), (30, 1726626), (33, 1569660), (36, 1438855), (44, 1177245), (45, 1151084), (55, 941796), (60, 863313), (66, 784830), (90, 575542), (99, 523220), (110, 470898), (132, 392415), (165, 313932), (180, 287771), (198, 261610), (220, 235449), (330, 156966), (396, 130805), (495, 104644), (660, 78483), (990, 52322), (1980, 26161)]