257535120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56477}}^1$

素因数の和:56512

約数の個数: 80

約数和(自身を含む): 840392640

約数和(自身を除く): 582857520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 56477, 112954, 169431, 225908, 282385, 338862, 451816, 564770, 677724, 847155, 903632, 1073063, 1129540, 1355448, 1694310, 2146126, 2259080, 2710896, 3219189, 3388620, 4292252, 4518160, 5365315, 6438378, 6777240, 8584504, 10730630, 12876756, 13554480, 16095945, 17169008, 21461260, 25753512, 32191890, 42922520, 51507024, 64383780, 85845040, 128767560, 257535120]

約数ペア:

[(1, 257535120), (2, 128767560), (3, 85845040), (4, 64383780), (5, 51507024), (6, 42922520), (8, 32191890), (10, 25753512), (12, 21461260), (15, 17169008), (16, 16095945), (19, 13554480), (20, 12876756), (24, 10730630), (30, 8584504), (38, 6777240), (40, 6438378), (48, 5365315), (57, 4518160), (60, 4292252), (76, 3388620), (80, 3219189), (95, 2710896), (114, 2259080), (120, 2146126), (152, 1694310), (190, 1355448), (228, 1129540), (240, 1073063), (285, 903632), (304, 847155), (380, 677724), (456, 564770), (570, 451816), (760, 338862), (912, 282385), (1140, 225908), (1520, 169431), (2280, 112954), (4560, 56477)]