87830120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313679}}^1$

素因数の和:313697

約数の個数: 32

約数和(自身を含む): 225849600

約数和(自身を除く): 138019480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313679, 627358, 1254716, 1568395, 2195753, 2509432, 3136790, 4391506, 6273580, 8783012, 10978765, 12547160, 17566024, 21957530, 43915060, 87830120]

約数ペア:

[(1, 87830120), (2, 43915060), (4, 21957530), (5, 17566024), (7, 12547160), (8, 10978765), (10, 8783012), (14, 6273580), (20, 4391506), (28, 3136790), (35, 2509432), (40, 2195753), (56, 1568395), (70, 1254716), (140, 627358), (280, 313679)]