78396945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 152616960

約数和(自身を除く): 74220015

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 165, 187, 209, 255, 285, 323, 561, 627, 935, 969, 1045, 1471, 1615, 2805, 3135, 3553, 4413, 4845, 7355, 10659, 16181, 17765, 22065, 25007, 27949, 48543, 53295, 75021, 80905, 83847, 125035, 139745, 242715, 275077, 307439, 375105, 419235, 475133, 825231, 922317, 1375385, 1425399, 1537195, 2375665, 4126155, 4611585, 5226463, 7126995, 15679389, 26132315, 78396945]

約数ペア:

[(1, 78396945), (3, 26132315), (5, 15679389), (11, 7126995), (15, 5226463), (17, 4611585), (19, 4126155), (33, 2375665), (51, 1537195), (55, 1425399), (57, 1375385), (85, 922317), (95, 825231), (165, 475133), (187, 419235), (209, 375105), (255, 307439), (285, 275077), (323, 242715), (561, 139745), (627, 125035), (935, 83847), (969, 80905), (1045, 75021), (1471, 53295), (1615, 48543), (2805, 27949), (3135, 25007), (3553, 22065), (4413, 17765), (4845, 16181), (7355, 10659)]