128553040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 382475520

約数和(自身を除く): 253922480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 509, 560, 574, 616, 656, 770, 820, 880, 902, 1018, 1148, 1232, 1435, 1540, 1640, 1804, 2036, 2255, 2296, 2545, 2870, 3080, 3157, 3280, 3563, 3608, 4072, 4510, 4592, 5090, 5599, 5740, 6160, 6314, 7126, 7216, 8144, 9020, 10180, 11198, 11480, 12628, 14252, 15785, 17815, 18040, 20360, 20869, 22396, 22960, 25256, 27995, 28504, 31570, 35630, 36080, 39193, 40720, 41738, 44792, 50512, 55990, 57008, 63140, 71260, 78386, 83476, 89584, 104345, 111980, 126280, 142520, 146083, 156772, 166952, 195965, 208690, 223960, 229559, 252560, 285040, 292166, 313544, 333904, 391930, 417380, 447920, 459118, 584332, 627088, 730415, 783860, 834760, 918236, 1147795, 1168664, 1460830, 1567720, 1606913, 1669520, 1836472, 2295590, 2337328, 2921660, 3135440, 3213826, 3672944, 4591180, 5843320, 6427652, 8034565, 9182360, 11686640, 12855304, 16069130, 18364720, 25710608, 32138260, 64276520, 128553040]

約数ペア:

[(1, 128553040), (2, 64276520), (4, 32138260), (5, 25710608), (7, 18364720), (8, 16069130), (10, 12855304), (11, 11686640), (14, 9182360), (16, 8034565), (20, 6427652), (22, 5843320), (28, 4591180), (35, 3672944), (40, 3213826), (41, 3135440), (44, 2921660), (55, 2337328), (56, 2295590), (70, 1836472), (77, 1669520), (80, 1606913), (82, 1567720), (88, 1460830), (110, 1168664), (112, 1147795), (140, 918236), (154, 834760), (164, 783860), (176, 730415), (205, 627088), (220, 584332), (280, 459118), (287, 447920), (308, 417380), (328, 391930), (385, 333904), (410, 313544), (440, 292166), (451, 285040), (509, 252560), (560, 229559), (574, 223960), (616, 208690), (656, 195965), (770, 166952), (820, 156772), (880, 146083), (902, 142520), (1018, 126280), (1148, 111980), (1232, 104345), (1435, 89584), (1540, 83476), (1640, 78386), (1804, 71260), (2036, 63140), (2255, 57008), (2296, 55990), (2545, 50512), (2870, 44792), (3080, 41738), (3157, 40720), (3280, 39193), (3563, 36080), (3608, 35630), (4072, 31570), (4510, 28504), (4592, 27995), (5090, 25256), (5599, 22960), (5740, 22396), (6160, 20869), (6314, 20360), (7126, 18040), (7216, 17815), (8144, 15785), (9020, 14252), (10180, 12628), (11198, 11480)]