1230391520

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{56131}}^1$

素因数の和:56283

約数の個数: 48

約数和(自身を含む): 2928069648

約数和(自身を除く): 1697678128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 56131, 112262, 224524, 280655, 449048, 561310, 898096, 1122620, 1796192, 2245240, 4490480, 7689947, 8980960, 15379894, 30759788, 38449735, 61519576, 76899470, 123039152, 153798940, 246078304, 307597880, 615195760, 1230391520]

約数ペア:

[(1, 1230391520), (2, 615195760), (4, 307597880), (5, 246078304), (8, 153798940), (10, 123039152), (16, 76899470), (20, 61519576), (32, 38449735), (40, 30759788), (80, 15379894), (137, 8980960), (160, 7689947), (274, 4490480), (548, 2245240), (685, 1796192), (1096, 1122620), (1370, 898096), (2192, 561310), (2740, 449048), (4384, 280655), (5480, 224524), (10960, 112262), (21920, 56131)]