257340384

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{127649}}^1$

素因数の和:127672

約数の個数: 72

約数和(自身を含む): 836362800

約数和(自身を除く): 579022416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 127649, 255298, 382947, 510596, 765894, 893543, 1021192, 1148841, 1531788, 1787086, 2042384, 2297682, 2680629, 3063576, 3574172, 4084768, 4595364, 5361258, 6127152, 7148344, 8041887, 9190728, 10722516, 12254304, 14296688, 16083774, 18381456, 21445032, 28593376, 32167548, 36762912, 42890064, 64335096, 85780128, 128670192, 257340384]

約数ペア:

[(1, 257340384), (2, 128670192), (3, 85780128), (4, 64335096), (6, 42890064), (7, 36762912), (8, 32167548), (9, 28593376), (12, 21445032), (14, 18381456), (16, 16083774), (18, 14296688), (21, 12254304), (24, 10722516), (28, 9190728), (32, 8041887), (36, 7148344), (42, 6127152), (48, 5361258), (56, 4595364), (63, 4084768), (72, 3574172), (84, 3063576), (96, 2680629), (112, 2297682), (126, 2042384), (144, 1787086), (168, 1531788), (224, 1148841), (252, 1021192), (288, 893543), (336, 765894), (504, 510596), (672, 382947), (1008, 255298), (2016, 127649)]