78234765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 155312640

約数和(自身を除く): 77077875

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 595, 615, 697, 861, 1069, 1435, 1785, 2091, 3207, 3485, 4305, 4879, 5345, 7483, 10455, 14637, 16035, 18173, 22449, 24395, 37415, 43829, 54519, 73185, 90865, 112245, 127211, 131487, 219145, 272595, 306803, 381633, 636055, 657435, 745093, 920409, 1534015, 1908165, 2235279, 3725465, 4602045, 5215651, 11176395, 15646953, 26078255, 78234765]

約数ペア:

[(1, 78234765), (3, 26078255), (5, 15646953), (7, 11176395), (15, 5215651), (17, 4602045), (21, 3725465), (35, 2235279), (41, 1908165), (51, 1534015), (85, 920409), (105, 745093), (119, 657435), (123, 636055), (205, 381633), (255, 306803), (287, 272595), (357, 219145), (595, 131487), (615, 127211), (697, 112245), (861, 90865), (1069, 73185), (1435, 54519), (1785, 43829), (2091, 37415), (3207, 24395), (3485, 22449), (4305, 18173), (4879, 16035), (5345, 14637), (7483, 10455)]