15678945260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{137849}}^1$

素因数の和:137927

約数の個数: 72

約数和(自身を含む): 36961444800

約数和(自身を除く): 21282499540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 2068, 2420, 2585, 5170, 5687, 10340, 11374, 22748, 28435, 56870, 113740, 137849, 275698, 551396, 689245, 1378490, 1516339, 2756980, 3032678, 6065356, 6478903, 7581695, 12957806, 15163390, 16679729, 25915612, 30326780, 32394515, 33359458, 64789030, 66718916, 71267933, 83398645, 129578060, 142535866, 166797290, 285071732, 333594580, 356339665, 712679330, 783947263, 1425358660, 1567894526, 3135789052, 3919736315, 7839472630, 15678945260]

約数ペア:

[(1, 15678945260), (2, 7839472630), (4, 3919736315), (5, 3135789052), (10, 1567894526), (11, 1425358660), (20, 783947263), (22, 712679330), (44, 356339665), (47, 333594580), (55, 285071732), (94, 166797290), (110, 142535866), (121, 129578060), (188, 83398645), (220, 71267933), (235, 66718916), (242, 64789030), (470, 33359458), (484, 32394515), (517, 30326780), (605, 25915612), (940, 16679729), (1034, 15163390), (1210, 12957806), (2068, 7581695), (2420, 6478903), (2585, 6065356), (5170, 3032678), (5687, 2756980), (10340, 1516339), (11374, 1378490), (22748, 689245), (28435, 551396), (56870, 275698), (113740, 137849)]