639088128

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{19813}}^1$

素因数の和:19844

約数の個数: 120

約数和(自身を含む): 2108051088

約数和(自身を除く): 1468962960

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, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2688, 3584, 4032, 4608, 5376, 8064, 10752, 16128, 19813, 32256, 39626, 59439, 79252, 118878, 138691, 158504, 178317, 237756, 277382, 317008, 356634, 416073, 475512, 554764, 634016, 713268, 832146, 951024, 1109528, 1248219, 1268032, 1426536, 1664292, 1902048, 2219056, 2496438, 2536064, 2853072, 3328584, 3804096, 4438112, 4992876, 5072128, 5706144, 6657168, 7608192, 8876224, 9985752, 10144256, 11412288, 13314336, 15216384, 17752448, 19971504, 22824576, 26628672, 30432768, 35504896, 39943008, 45649152, 53257344, 71009792, 79886016, 91298304, 106514688, 159772032, 213029376, 319544064, 639088128]

約数ペア:

[(1, 639088128), (2, 319544064), (3, 213029376), (4, 159772032), (6, 106514688), (7, 91298304), (8, 79886016), (9, 71009792), (12, 53257344), (14, 45649152), (16, 39943008), (18, 35504896), (21, 30432768), (24, 26628672), (28, 22824576), (32, 19971504), (36, 17752448), (42, 15216384), (48, 13314336), (56, 11412288), (63, 10144256), (64, 9985752), (72, 8876224), (84, 7608192), (96, 6657168), (112, 5706144), (126, 5072128), (128, 4992876), (144, 4438112), (168, 3804096), (192, 3328584), (224, 2853072), (252, 2536064), (256, 2496438), (288, 2219056), (336, 1902048), (384, 1664292), (448, 1426536), (504, 1268032), (512, 1248219), (576, 1109528), (672, 951024), (768, 832146), (896, 713268), (1008, 634016), (1152, 554764), (1344, 475512), (1536, 416073), (1792, 356634), (2016, 317008), (2304, 277382), (2688, 237756), (3584, 178317), (4032, 158504), (4608, 138691), (5376, 118878), (8064, 79252), (10752, 59439), (16128, 39626), (19813, 32256)]