256108416

素因数分解:

$2^7\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1009}}^1$

素因数の和:1687

約数の個数: 64

約数和(自身を含む): 681992400

約数和(自身を除く): 425883984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 661, 1009, 1322, 1983, 2018, 2644, 3027, 3966, 4036, 5288, 6054, 7932, 8072, 10576, 12108, 15864, 16144, 21152, 24216, 31728, 32288, 42304, 48432, 63456, 64576, 84608, 96864, 126912, 129152, 193728, 253824, 387456, 666949, 1333898, 2000847, 2667796, 4001694, 5335592, 8003388, 10671184, 16006776, 21342368, 32013552, 42684736, 64027104, 85369472, 128054208, 256108416]

約数ペア:

[(1, 256108416), (2, 128054208), (3, 85369472), (4, 64027104), (6, 42684736), (8, 32013552), (12, 21342368), (16, 16006776), (24, 10671184), (32, 8003388), (48, 5335592), (64, 4001694), (96, 2667796), (128, 2000847), (192, 1333898), (384, 666949), (661, 387456), (1009, 253824), (1322, 193728), (1983, 129152), (2018, 126912), (2644, 96864), (3027, 84608), (3966, 64576), (4036, 63456), (5288, 48432), (6054, 42304), (7932, 32288), (8072, 31728), (10576, 24216), (12108, 21152), (15864, 16144)]