256571880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1621}}^1$

素因数の和:2954

約数の個数: 64

約数和(自身を含む): 770774400

約数和(自身を除く): 514202520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1319, 1621, 2638, 3242, 3957, 4863, 5276, 6484, 6595, 7914, 8105, 9726, 10552, 12968, 13190, 15828, 16210, 19452, 19785, 24315, 26380, 31656, 32420, 38904, 39570, 48630, 52760, 64840, 79140, 97260, 158280, 194520, 2138099, 4276198, 6414297, 8552396, 10690495, 12828594, 17104792, 21380990, 25657188, 32071485, 42761980, 51314376, 64142970, 85523960, 128285940, 256571880]

約数ペア:

[(1, 256571880), (2, 128285940), (3, 85523960), (4, 64142970), (5, 51314376), (6, 42761980), (8, 32071485), (10, 25657188), (12, 21380990), (15, 17104792), (20, 12828594), (24, 10690495), (30, 8552396), (40, 6414297), (60, 4276198), (120, 2138099), (1319, 194520), (1621, 158280), (2638, 97260), (3242, 79140), (3957, 64840), (4863, 52760), (5276, 48630), (6484, 39570), (6595, 38904), (7914, 32420), (8105, 31656), (9726, 26380), (10552, 24315), (12968, 19785), (13190, 19452), (15828, 16210)]