205754320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1772

約数の個数: 80

約数和(自身を含む): 506931840

約数和(自身を除く): 301177520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 184, 230, 268, 335, 368, 460, 536, 670, 920, 1072, 1340, 1541, 1669, 1840, 2680, 3082, 3338, 5360, 6164, 6676, 7705, 8345, 12328, 13352, 15410, 16690, 24656, 26704, 30820, 33380, 38387, 61640, 66760, 76774, 111823, 123280, 133520, 153548, 191935, 223646, 307096, 383870, 447292, 559115, 614192, 767740, 894584, 1118230, 1535480, 1789168, 2236460, 2571929, 3070960, 4472920, 5143858, 8945840, 10287716, 12859645, 20575432, 25719290, 41150864, 51438580, 102877160, 205754320]

約数ペア:

[(1, 205754320), (2, 102877160), (4, 51438580), (5, 41150864), (8, 25719290), (10, 20575432), (16, 12859645), (20, 10287716), (23, 8945840), (40, 5143858), (46, 4472920), (67, 3070960), (80, 2571929), (92, 2236460), (115, 1789168), (134, 1535480), (184, 1118230), (230, 894584), (268, 767740), (335, 614192), (368, 559115), (460, 447292), (536, 383870), (670, 307096), (920, 223646), (1072, 191935), (1340, 153548), (1541, 133520), (1669, 123280), (1840, 111823), (2680, 76774), (3082, 66760), (3338, 61640), (5360, 38387), (6164, 33380), (6676, 30820), (7705, 26704), (8345, 24656), (12328, 16690), (13352, 15410)]