180329840

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17749}}^1$

素因数の和:17889

約数の個数: 40

約数和(自身を含む): 422592000

約数和(自身を除く): 242262160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 17749, 35498, 70996, 88745, 141992, 177490, 283984, 354980, 709960, 1419920, 2254123, 4508246, 9016492, 11270615, 18032984, 22541230, 36065968, 45082460, 90164920, 180329840]

約数ペア:

[(1, 180329840), (2, 90164920), (4, 45082460), (5, 36065968), (8, 22541230), (10, 18032984), (16, 11270615), (20, 9016492), (40, 4508246), (80, 2254123), (127, 1419920), (254, 709960), (508, 354980), (635, 283984), (1016, 177490), (1270, 141992), (2032, 88745), (2540, 70996), (5080, 35498), (10160, 17749)]