639168768

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{39631}}^1$

素因数の和:39660

約数の個数: 108

約数和(自身を含む): 2106203008

約数和(自身を除く): 1467034240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 39631, 79262, 118893, 158524, 237786, 277417, 317048, 356679, 475572, 554834, 634096, 713358, 832251, 951144, 1109668, 1268192, 1426716, 1664502, 1902288, 2219336, 2496753, 2536384, 2853432, 3329004, 3804576, 4438672, 4993506, 5072768, 5706864, 6658008, 7609152, 8877344, 9987012, 10145536, 11413728, 13316016, 15218304, 17754688, 19974024, 22827456, 26632032, 30436608, 35509376, 39948048, 45654912, 53264064, 71018752, 79896096, 91309824, 106528128, 159792192, 213056256, 319584384, 639168768]

約数ペア:

[(1, 639168768), (2, 319584384), (3, 213056256), (4, 159792192), (6, 106528128), (7, 91309824), (8, 79896096), (9, 71018752), (12, 53264064), (14, 45654912), (16, 39948048), (18, 35509376), (21, 30436608), (24, 26632032), (28, 22827456), (32, 19974024), (36, 17754688), (42, 15218304), (48, 13316016), (56, 11413728), (63, 10145536), (64, 9987012), (72, 8877344), (84, 7609152), (96, 6658008), (112, 5706864), (126, 5072768), (128, 4993506), (144, 4438672), (168, 3804576), (192, 3329004), (224, 2853432), (252, 2536384), (256, 2496753), (288, 2219336), (336, 1902288), (384, 1664502), (448, 1426716), (504, 1268192), (576, 1109668), (672, 951144), (768, 832251), (896, 713358), (1008, 634096), (1152, 554834), (1344, 475572), (1792, 356679), (2016, 317048), (2304, 277417), (2688, 237786), (4032, 158524), (5376, 118893), (8064, 79262), (16128, 39631)]