64899870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1553}}^1$

素因数の和:1769

約数の個数: 64

約数和(自身を含む): 179020800

約数和(自身を除く): 114120930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1553, 1990, 2786, 2985, 3106, 4179, 4659, 5970, 6965, 7765, 8358, 9318, 10871, 13930, 15530, 20895, 21742, 23295, 32613, 41790, 46590, 54355, 65226, 108710, 163065, 309047, 326130, 618094, 927141, 1545235, 1854282, 2163329, 3090470, 4326658, 4635705, 6489987, 9271410, 10816645, 12979974, 21633290, 32449935, 64899870]

約数ペア:

[(1, 64899870), (2, 32449935), (3, 21633290), (5, 12979974), (6, 10816645), (7, 9271410), (10, 6489987), (14, 4635705), (15, 4326658), (21, 3090470), (30, 2163329), (35, 1854282), (42, 1545235), (70, 927141), (105, 618094), (199, 326130), (210, 309047), (398, 163065), (597, 108710), (995, 65226), (1194, 54355), (1393, 46590), (1553, 41790), (1990, 32613), (2786, 23295), (2985, 21742), (3106, 20895), (4179, 15530), (4659, 13930), (5970, 10871), (6965, 9318), (7765, 8358)]