120064040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 285984000

約数和(自身を除く): 165919960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 661, 760, 956, 1195, 1322, 1912, 2390, 2644, 3305, 4541, 4780, 5288, 6610, 9082, 9560, 12559, 13220, 18164, 22705, 25118, 26440, 36328, 45410, 50236, 62795, 90820, 100472, 125590, 157979, 181640, 251180, 315958, 502360, 631916, 789895, 1263832, 1579790, 3001601, 3159580, 6003202, 6319160, 12006404, 15008005, 24012808, 30016010, 60032020, 120064040]

約数ペア:

[(1, 120064040), (2, 60032020), (4, 30016010), (5, 24012808), (8, 15008005), (10, 12006404), (19, 6319160), (20, 6003202), (38, 3159580), (40, 3001601), (76, 1579790), (95, 1263832), (152, 789895), (190, 631916), (239, 502360), (380, 315958), (478, 251180), (661, 181640), (760, 157979), (956, 125590), (1195, 100472), (1322, 90820), (1912, 62795), (2390, 50236), (2644, 45410), (3305, 36328), (4541, 26440), (4780, 25118), (5288, 22705), (6610, 18164), (9082, 13220), (9560, 12559)]