180256880

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3049}}^1$

素因数の和:3801

約数の個数: 40

約数和(自身を含む): 419802000

約数和(自身を除く): 239545120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 2956, 3049, 3695, 5912, 6098, 7390, 11824, 12196, 14780, 15245, 24392, 29560, 30490, 48784, 59120, 60980, 121960, 243920, 2253211, 4506422, 9012844, 11266055, 18025688, 22532110, 36051376, 45064220, 90128440, 180256880]

約数ペア:

[(1, 180256880), (2, 90128440), (4, 45064220), (5, 36051376), (8, 22532110), (10, 18025688), (16, 11266055), (20, 9012844), (40, 4506422), (80, 2253211), (739, 243920), (1478, 121960), (2956, 60980), (3049, 59120), (3695, 48784), (5912, 30490), (6098, 29560), (7390, 24392), (11824, 15245), (12196, 14780)]