836761520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78643}}^1$

素因数の和:78682

約数の個数: 80

約数和(自身を含む): 2340445440

約数和(自身を除く): 1503683920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 78643, 157286, 314572, 393215, 550501, 629144, 786430, 1101002, 1258288, 1494217, 1572860, 2202004, 2752505, 2988434, 3145720, 4404008, 5505010, 5976868, 6291440, 7471085, 8808016, 10459519, 11010020, 11953736, 14942170, 20919038, 22020040, 23907472, 29884340, 41838076, 44040080, 52297595, 59768680, 83676152, 104595190, 119537360, 167352304, 209190380, 418380760, 836761520]

約数ペア:

[(1, 836761520), (2, 418380760), (4, 209190380), (5, 167352304), (7, 119537360), (8, 104595190), (10, 83676152), (14, 59768680), (16, 52297595), (19, 44040080), (20, 41838076), (28, 29884340), (35, 23907472), (38, 22020040), (40, 20919038), (56, 14942170), (70, 11953736), (76, 11010020), (80, 10459519), (95, 8808016), (112, 7471085), (133, 6291440), (140, 5976868), (152, 5505010), (190, 4404008), (266, 3145720), (280, 2988434), (304, 2752505), (380, 2202004), (532, 1572860), (560, 1494217), (665, 1258288), (760, 1101002), (1064, 786430), (1330, 629144), (1520, 550501), (2128, 393215), (2660, 314572), (5320, 157286), (10640, 78643)]