71976520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23369}}^1$

素因数の和:23398

約数の個数: 64

約数和(自身を含む): 201916800

約数和(自身を除く): 129940280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 23369, 46738, 93476, 116845, 163583, 186952, 233690, 257059, 327166, 467380, 514118, 654332, 817915, 934760, 1028236, 1285295, 1308664, 1635830, 1799413, 2056472, 2570590, 3271660, 3598826, 5141180, 6543320, 7197652, 8997065, 10282360, 14395304, 17994130, 35988260, 71976520]

約数ペア:

[(1, 71976520), (2, 35988260), (4, 17994130), (5, 14395304), (7, 10282360), (8, 8997065), (10, 7197652), (11, 6543320), (14, 5141180), (20, 3598826), (22, 3271660), (28, 2570590), (35, 2056472), (40, 1799413), (44, 1635830), (55, 1308664), (56, 1285295), (70, 1028236), (77, 934760), (88, 817915), (110, 654332), (140, 514118), (154, 467380), (220, 327166), (280, 257059), (308, 233690), (385, 186952), (440, 163583), (616, 116845), (770, 93476), (1540, 46738), (3080, 23369)]