64276520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 120792280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 509, 574, 616, 770, 820, 902, 1018, 1148, 1435, 1540, 1640, 1804, 2036, 2255, 2296, 2545, 2870, 3080, 3157, 3563, 3608, 4072, 4510, 5090, 5599, 5740, 6314, 7126, 9020, 10180, 11198, 11480, 12628, 14252, 15785, 17815, 18040, 20360, 20869, 22396, 25256, 27995, 28504, 31570, 35630, 39193, 41738, 44792, 55990, 63140, 71260, 78386, 83476, 104345, 111980, 126280, 142520, 146083, 156772, 166952, 195965, 208690, 223960, 229559, 292166, 313544, 391930, 417380, 459118, 584332, 730415, 783860, 834760, 918236, 1147795, 1168664, 1460830, 1567720, 1606913, 1836472, 2295590, 2921660, 3213826, 4591180, 5843320, 6427652, 8034565, 9182360, 12855304, 16069130, 32138260, 64276520]

約数ペア:

[(1, 64276520), (2, 32138260), (4, 16069130), (5, 12855304), (7, 9182360), (8, 8034565), (10, 6427652), (11, 5843320), (14, 4591180), (20, 3213826), (22, 2921660), (28, 2295590), (35, 1836472), (40, 1606913), (41, 1567720), (44, 1460830), (55, 1168664), (56, 1147795), (70, 918236), (77, 834760), (82, 783860), (88, 730415), (110, 584332), (140, 459118), (154, 417380), (164, 391930), (205, 313544), (220, 292166), (280, 229559), (287, 223960), (308, 208690), (328, 195965), (385, 166952), (410, 156772), (440, 146083), (451, 142520), (509, 126280), (574, 111980), (616, 104345), (770, 83476), (820, 78386), (902, 71260), (1018, 63140), (1148, 55990), (1435, 44792), (1540, 41738), (1640, 39193), (1804, 35630), (2036, 31570), (2255, 28504), (2296, 27995), (2545, 25256), (2870, 22396), (3080, 20869), (3157, 20360), (3563, 18040), (3608, 17815), (4072, 15785), (4510, 14252), (5090, 12628), (5599, 11480), (5740, 11198), (6314, 10180), (7126, 9020)]