128940672

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{47969}}^1$

素因数の和:47993

約数の個数: 64

約数和(自身を含む): 391435200

約数和(自身を除く): 262494528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 47969, 95938, 143907, 191876, 287814, 335783, 383752, 575628, 671566, 767504, 1007349, 1151256, 1343132, 1535008, 2014698, 2302512, 2686264, 3070016, 4029396, 4605024, 5372528, 6140032, 8058792, 9210048, 10745056, 16117584, 18420096, 21490112, 32235168, 42980224, 64470336, 128940672]

約数ペア:

[(1, 128940672), (2, 64470336), (3, 42980224), (4, 32235168), (6, 21490112), (7, 18420096), (8, 16117584), (12, 10745056), (14, 9210048), (16, 8058792), (21, 6140032), (24, 5372528), (28, 4605024), (32, 4029396), (42, 3070016), (48, 2686264), (56, 2302512), (64, 2014698), (84, 1535008), (96, 1343132), (112, 1151256), (128, 1007349), (168, 767504), (192, 671566), (224, 575628), (336, 383752), (384, 335783), (448, 287814), (672, 191876), (896, 143907), (1344, 95938), (2688, 47969)]