156980485520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{160933}}^1$

素因数の和:161172

約数の個数: 80

約数和(自身を含む): 371776852080

約数和(自身を除く): 214796366560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 137, 178, 274, 356, 445, 548, 685, 712, 890, 1096, 1370, 1424, 1780, 2192, 2740, 3560, 5480, 7120, 10960, 12193, 24386, 48772, 60965, 97544, 121930, 160933, 195088, 243860, 321866, 487720, 643732, 804665, 975440, 1287464, 1609330, 2574928, 3218660, 6437320, 12874640, 14323037, 22047821, 28646074, 44095642, 57292148, 71615185, 88191284, 110239105, 114584296, 143230370, 176382568, 220478210, 229168592, 286460740, 352765136, 440956420, 572921480, 881912840, 1145842960, 1763825680, 1962256069, 3924512138, 7849024276, 9811280345, 15698048552, 19622560690, 31396097104, 39245121380, 78490242760, 156980485520]

約数ペア:

[(1, 156980485520), (2, 78490242760), (4, 39245121380), (5, 31396097104), (8, 19622560690), (10, 15698048552), (16, 9811280345), (20, 7849024276), (40, 3924512138), (80, 1962256069), (89, 1763825680), (137, 1145842960), (178, 881912840), (274, 572921480), (356, 440956420), (445, 352765136), (548, 286460740), (685, 229168592), (712, 220478210), (890, 176382568), (1096, 143230370), (1370, 114584296), (1424, 110239105), (1780, 88191284), (2192, 71615185), (2740, 57292148), (3560, 44095642), (5480, 28646074), (7120, 22047821), (10960, 14323037), (12193, 12874640), (24386, 6437320), (48772, 3218660), (60965, 2574928), (97544, 1609330), (121930, 1287464), (160933, 975440), (195088, 804665), (243860, 643732), (321866, 487720)]