261946368

素因数分解:

$2^{10}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 132

約数和(自身を含む): 775125208

約数和(自身を除く): 513178840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 128, 129, 144, 172, 192, 256, 258, 288, 344, 384, 387, 512, 516, 576, 661, 688, 768, 774, 1024, 1032, 1152, 1322, 1376, 1536, 1548, 1983, 2064, 2304, 2644, 2752, 3072, 3096, 3966, 4128, 4608, 5288, 5504, 5949, 6192, 7932, 8256, 9216, 10576, 11008, 11898, 12384, 15864, 16512, 21152, 22016, 23796, 24768, 28423, 31728, 33024, 42304, 44032, 47592, 49536, 56846, 63456, 66048, 84608, 85269, 95184, 99072, 113692, 126912, 132096, 169216, 170538, 190368, 198144, 227384, 253824, 255807, 338432, 341076, 380736, 396288, 454768, 507648, 511614, 676864, 682152, 761472, 909536, 1015296, 1023228, 1364304, 1522944, 1819072, 2030592, 2046456, 2728608, 3045888, 3638144, 4092912, 5457216, 6091776, 7276288, 8185824, 10914432, 14552576, 16371648, 21828864, 29105152, 32743296, 43657728, 65486592, 87315456, 130973184, 261946368]

約数ペア:

[(1, 261946368), (2, 130973184), (3, 87315456), (4, 65486592), (6, 43657728), (8, 32743296), (9, 29105152), (12, 21828864), (16, 16371648), (18, 14552576), (24, 10914432), (32, 8185824), (36, 7276288), (43, 6091776), (48, 5457216), (64, 4092912), (72, 3638144), (86, 3045888), (96, 2728608), (128, 2046456), (129, 2030592), (144, 1819072), (172, 1522944), (192, 1364304), (256, 1023228), (258, 1015296), (288, 909536), (344, 761472), (384, 682152), (387, 676864), (512, 511614), (516, 507648), (576, 454768), (661, 396288), (688, 380736), (768, 341076), (774, 338432), (1024, 255807), (1032, 253824), (1152, 227384), (1322, 198144), (1376, 190368), (1536, 170538), (1548, 169216), (1983, 132096), (2064, 126912), (2304, 113692), (2644, 99072), (2752, 95184), (3072, 85269), (3096, 84608), (3966, 66048), (4128, 63456), (4608, 56846), (5288, 49536), (5504, 47592), (5949, 44032), (6192, 42304), (7932, 33024), (8256, 31728), (9216, 28423), (10576, 24768), (11008, 23796), (11898, 22016), (12384, 21152), (15864, 16512)]