128423040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 412585920

約数和(自身を除く): 284162880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 317, 320, 384, 422, 480, 633, 634, 640, 844, 951, 960, 1055, 1266, 1268, 1585, 1688, 1902, 1920, 2110, 2532, 2536, 3165, 3170, 3376, 3804, 4220, 4755, 5064, 5072, 6330, 6340, 6752, 7608, 8440, 9510, 10128, 10144, 12660, 12680, 13504, 15216, 16880, 19020, 20256, 20288, 25320, 25360, 27008, 30432, 33760, 38040, 40512, 40576, 50640, 50720, 60864, 66887, 67520, 76080, 81024, 101280, 101440, 121728, 133774, 135040, 152160, 200661, 202560, 202880, 267548, 304320, 334435, 401322, 405120, 535096, 608640, 668870, 802644, 1003305, 1070192, 1337740, 1605288, 2006610, 2140384, 2675480, 3210576, 4013220, 4280768, 5350960, 6421152, 8026440, 8561536, 10701920, 12842304, 16052880, 21403840, 25684608, 32105760, 42807680, 64211520, 128423040]

約数ペア:

[(1, 128423040), (2, 64211520), (3, 42807680), (4, 32105760), (5, 25684608), (6, 21403840), (8, 16052880), (10, 12842304), (12, 10701920), (15, 8561536), (16, 8026440), (20, 6421152), (24, 5350960), (30, 4280768), (32, 4013220), (40, 3210576), (48, 2675480), (60, 2140384), (64, 2006610), (80, 1605288), (96, 1337740), (120, 1070192), (128, 1003305), (160, 802644), (192, 668870), (211, 608640), (240, 535096), (317, 405120), (320, 401322), (384, 334435), (422, 304320), (480, 267548), (633, 202880), (634, 202560), (640, 200661), (844, 152160), (951, 135040), (960, 133774), (1055, 121728), (1266, 101440), (1268, 101280), (1585, 81024), (1688, 76080), (1902, 67520), (1920, 66887), (2110, 60864), (2532, 50720), (2536, 50640), (3165, 40576), (3170, 40512), (3376, 38040), (3804, 33760), (4220, 30432), (4755, 27008), (5064, 25360), (5072, 25320), (6330, 20288), (6340, 20256), (6752, 19020), (7608, 16880), (8440, 15216), (9510, 13504), (10128, 12680), (10144, 12660)]