80648880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25849}}^1$

素因数の和:25878

約数の個数: 80

約数和(自身を含む): 269253600

約数和(自身を除く): 188604720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25849, 51698, 77547, 103396, 129245, 155094, 206792, 258490, 310188, 336037, 387735, 413584, 516980, 620376, 672074, 775470, 1008111, 1033960, 1240752, 1344148, 1550940, 1680185, 2016222, 2067920, 2688296, 3101880, 3360370, 4032444, 5040555, 5376592, 6203760, 6720740, 8064888, 10081110, 13441480, 16129776, 20162220, 26882960, 40324440, 80648880]

約数ペア:

[(1, 80648880), (2, 40324440), (3, 26882960), (4, 20162220), (5, 16129776), (6, 13441480), (8, 10081110), (10, 8064888), (12, 6720740), (13, 6203760), (15, 5376592), (16, 5040555), (20, 4032444), (24, 3360370), (26, 3101880), (30, 2688296), (39, 2067920), (40, 2016222), (48, 1680185), (52, 1550940), (60, 1344148), (65, 1240752), (78, 1033960), (80, 1008111), (104, 775470), (120, 672074), (130, 620376), (156, 516980), (195, 413584), (208, 387735), (240, 336037), (260, 310188), (312, 258490), (390, 206792), (520, 155094), (624, 129245), (780, 103396), (1040, 77547), (1560, 51698), (3120, 25849)]