1293886240

素因数分解:

$2^5\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{6131}}^1$

素因数の和:7465

約数の個数: 48

約数和(自身を含む): 3059622720

約数和(自身を除く): 1765736480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1319, 2638, 5276, 6131, 6595, 10552, 12262, 13190, 21104, 24524, 26380, 30655, 42208, 49048, 52760, 61310, 98096, 105520, 122620, 196192, 211040, 245240, 490480, 980960, 8086789, 16173578, 32347156, 40433945, 64694312, 80867890, 129388624, 161735780, 258777248, 323471560, 646943120, 1293886240]

約数ペア:

[(1, 1293886240), (2, 646943120), (4, 323471560), (5, 258777248), (8, 161735780), (10, 129388624), (16, 80867890), (20, 64694312), (32, 40433945), (40, 32347156), (80, 16173578), (160, 8086789), (1319, 980960), (2638, 490480), (5276, 245240), (6131, 211040), (6595, 196192), (10552, 122620), (12262, 105520), (13190, 98096), (21104, 61310), (24524, 52760), (26380, 49048), (30655, 42208)]