79783320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 252771840

約数和(自身を除く): 172988520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 137, 138, 184, 211, 230, 274, 276, 345, 411, 422, 460, 548, 552, 633, 685, 690, 822, 844, 920, 1055, 1096, 1266, 1370, 1380, 1644, 1688, 2055, 2110, 2532, 2740, 2760, 3151, 3165, 3288, 4110, 4220, 4853, 5064, 5480, 6302, 6330, 8220, 8440, 9453, 9706, 12604, 12660, 14559, 15755, 16440, 18906, 19412, 24265, 25208, 25320, 28907, 29118, 31510, 37812, 38824, 47265, 48530, 57814, 58236, 63020, 72795, 75624, 86721, 94530, 97060, 115628, 116472, 126040, 144535, 145590, 173442, 189060, 194120, 231256, 289070, 291180, 346884, 378120, 433605, 578140, 582360, 664861, 693768, 867210, 1156280, 1329722, 1734420, 1994583, 2659444, 3324305, 3468840, 3989166, 5318888, 6648610, 7978332, 9972915, 13297220, 15956664, 19945830, 26594440, 39891660, 79783320]

約数ペア:

[(1, 79783320), (2, 39891660), (3, 26594440), (4, 19945830), (5, 15956664), (6, 13297220), (8, 9972915), (10, 7978332), (12, 6648610), (15, 5318888), (20, 3989166), (23, 3468840), (24, 3324305), (30, 2659444), (40, 1994583), (46, 1734420), (60, 1329722), (69, 1156280), (92, 867210), (115, 693768), (120, 664861), (137, 582360), (138, 578140), (184, 433605), (211, 378120), (230, 346884), (274, 291180), (276, 289070), (345, 231256), (411, 194120), (422, 189060), (460, 173442), (548, 145590), (552, 144535), (633, 126040), (685, 116472), (690, 115628), (822, 97060), (844, 94530), (920, 86721), (1055, 75624), (1096, 72795), (1266, 63020), (1370, 58236), (1380, 57814), (1644, 48530), (1688, 47265), (2055, 38824), (2110, 37812), (2532, 31510), (2740, 29118), (2760, 28907), (3151, 25320), (3165, 25208), (3288, 24265), (4110, 19412), (4220, 18906), (4853, 16440), (5064, 15755), (5480, 14559), (6302, 12660), (6330, 12604), (8220, 9706), (8440, 9453)]