31327650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1680

約数の個数: 72

約数和(自身を含む): 86177520

約数和(自身を除く): 54849870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1619, 1935, 2150, 3225, 3238, 3870, 4857, 6450, 8095, 9675, 9714, 14571, 16190, 19350, 24285, 29142, 40475, 48570, 69617, 72855, 80950, 121425, 139234, 145710, 208851, 242850, 348085, 364275, 417702, 626553, 696170, 728550, 1044255, 1253106, 1740425, 2088510, 3132765, 3480850, 5221275, 6265530, 10442550, 15663825, 31327650]

約数ペア:

[(1, 31327650), (2, 15663825), (3, 10442550), (5, 6265530), (6, 5221275), (9, 3480850), (10, 3132765), (15, 2088510), (18, 1740425), (25, 1253106), (30, 1044255), (43, 728550), (45, 696170), (50, 626553), (75, 417702), (86, 364275), (90, 348085), (129, 242850), (150, 208851), (215, 145710), (225, 139234), (258, 121425), (387, 80950), (430, 72855), (450, 69617), (645, 48570), (774, 40475), (1075, 29142), (1290, 24285), (1619, 19350), (1935, 16190), (2150, 14571), (3225, 9714), (3238, 9675), (3870, 8095), (4857, 6450)]