64772820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51407}}^1$

素因数の和:51429

約数の個数: 72

約数和(自身を含む): 224550144

約数和(自身を除く): 159777324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51407, 102814, 154221, 205628, 257035, 308442, 359849, 462663, 514070, 616884, 719698, 771105, 925326, 1028140, 1079547, 1439396, 1542210, 1799245, 1850652, 2159094, 2313315, 3084420, 3238641, 3598490, 4318188, 4626630, 5397735, 6477282, 7196980, 9253260, 10795470, 12954564, 16193205, 21590940, 32386410, 64772820]

約数ペア:

[(1, 64772820), (2, 32386410), (3, 21590940), (4, 16193205), (5, 12954564), (6, 10795470), (7, 9253260), (9, 7196980), (10, 6477282), (12, 5397735), (14, 4626630), (15, 4318188), (18, 3598490), (20, 3238641), (21, 3084420), (28, 2313315), (30, 2159094), (35, 1850652), (36, 1799245), (42, 1542210), (45, 1439396), (60, 1079547), (63, 1028140), (70, 925326), (84, 771105), (90, 719698), (105, 616884), (126, 514070), (140, 462663), (180, 359849), (210, 308442), (252, 257035), (315, 205628), (420, 154221), (630, 102814), (1260, 51407)]