261376160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:838

約数の個数: 96

約数和(自身を含む): 656087040

約数和(自身を除く): 394710880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 127, 152, 160, 190, 254, 304, 380, 508, 608, 635, 677, 760, 1016, 1270, 1354, 1520, 2032, 2413, 2540, 2708, 3040, 3385, 4064, 4826, 5080, 5416, 6770, 9652, 10160, 10832, 12065, 12863, 13540, 19304, 20320, 21664, 24130, 25726, 27080, 38608, 48260, 51452, 54160, 64315, 77216, 85979, 96520, 102904, 108320, 128630, 171958, 193040, 205808, 257260, 343916, 386080, 411616, 429895, 514520, 687832, 859790, 1029040, 1375664, 1633601, 1719580, 2058080, 2751328, 3267202, 3439160, 6534404, 6878320, 8168005, 13068808, 13756640, 16336010, 26137616, 32672020, 52275232, 65344040, 130688080, 261376160]

約数ペア:

[(1, 261376160), (2, 130688080), (4, 65344040), (5, 52275232), (8, 32672020), (10, 26137616), (16, 16336010), (19, 13756640), (20, 13068808), (32, 8168005), (38, 6878320), (40, 6534404), (76, 3439160), (80, 3267202), (95, 2751328), (127, 2058080), (152, 1719580), (160, 1633601), (190, 1375664), (254, 1029040), (304, 859790), (380, 687832), (508, 514520), (608, 429895), (635, 411616), (677, 386080), (760, 343916), (1016, 257260), (1270, 205808), (1354, 193040), (1520, 171958), (2032, 128630), (2413, 108320), (2540, 102904), (2708, 96520), (3040, 85979), (3385, 77216), (4064, 64315), (4826, 54160), (5080, 51452), (5416, 48260), (6770, 38608), (9652, 27080), (10160, 25726), (10832, 24130), (12065, 21664), (12863, 20320), (13540, 19304)]