30791920

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 72093600

約数和(自身を除く): 41301680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 2549, 3020, 5098, 6040, 10196, 12080, 12745, 20392, 25490, 40784, 50980, 101960, 203920, 384899, 769798, 1539596, 1924495, 3079192, 3848990, 6158384, 7697980, 15395960, 30791920]

約数ペア:

[(1, 30791920), (2, 15395960), (4, 7697980), (5, 6158384), (8, 3848990), (10, 3079192), (16, 1924495), (20, 1539596), (40, 769798), (80, 384899), (151, 203920), (302, 101960), (604, 50980), (755, 40784), (1208, 25490), (1510, 20392), (2416, 12745), (2549, 12080), (3020, 10196), (5098, 6040)]