12780160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 32191200

約数和(自身を除く): 19411040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1051, 1216, 1520, 2102, 2432, 3040, 4204, 5255, 6080, 8408, 10510, 12160, 16816, 19969, 21020, 33632, 39938, 42040, 67264, 79876, 84080, 99845, 134528, 159752, 168160, 199690, 319504, 336320, 399380, 639008, 672640, 798760, 1278016, 1597520, 2556032, 3195040, 6390080, 12780160]

約数ペア:

[(1, 12780160), (2, 6390080), (4, 3195040), (5, 2556032), (8, 1597520), (10, 1278016), (16, 798760), (19, 672640), (20, 639008), (32, 399380), (38, 336320), (40, 319504), (64, 199690), (76, 168160), (80, 159752), (95, 134528), (128, 99845), (152, 84080), (160, 79876), (190, 67264), (304, 42040), (320, 39938), (380, 33632), (608, 21020), (640, 19969), (760, 16816), (1051, 12160), (1216, 10510), (1520, 8408), (2102, 6080), (2432, 5255), (3040, 4204)]