261036283215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2579}}^1\times {\mathrm{5309}}^1$

素因数の和:7968

約数の個数: 64

約数和(自身を含む): 441900748800

約数和(自身を除く): 180864465585

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 2579, 3813, 5309, 6355, 7737, 12895, 15927, 19065, 26545, 38685, 79635, 79949, 105739, 164579, 217669, 239847, 317217, 399745, 493737, 528695, 653007, 822895, 1088345, 1199235, 1586085, 2468685, 3265035, 3277909, 6747739, 9833727, 13691911, 16389545, 20243217, 33738695, 41075733, 49168635, 68459555, 101216085, 205378665, 424449241, 561368351, 1273347723, 1684105053, 2122246205, 2806841755, 6366738615, 8420525265, 17402418881, 52207256643, 87012094405, 261036283215]

約数ペア:

[(1, 261036283215), (3, 87012094405), (5, 52207256643), (15, 17402418881), (31, 8420525265), (41, 6366738615), (93, 2806841755), (123, 2122246205), (155, 1684105053), (205, 1273347723), (465, 561368351), (615, 424449241), (1271, 205378665), (2579, 101216085), (3813, 68459555), (5309, 49168635), (6355, 41075733), (7737, 33738695), (12895, 20243217), (15927, 16389545), (19065, 13691911), (26545, 9833727), (38685, 6747739), (79635, 3277909), (79949, 3265035), (105739, 2468685), (164579, 1586085), (217669, 1199235), (239847, 1088345), (317217, 822895), (399745, 653007), (493737, 528695)]