255133760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113899}}^1$

素因数の和:113923

約数の個数: 56

約数和(自身を含む): 694334400

約数和(自身を除く): 439200640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 113899, 227798, 455596, 569495, 797293, 911192, 1138990, 1594586, 1822384, 2277980, 3189172, 3644768, 3986465, 4555960, 6378344, 7289536, 7972930, 9111920, 12756688, 15945860, 18223840, 25513376, 31891720, 36447680, 51026752, 63783440, 127566880, 255133760]

約数ペア:

[(1, 255133760), (2, 127566880), (4, 63783440), (5, 51026752), (7, 36447680), (8, 31891720), (10, 25513376), (14, 18223840), (16, 15945860), (20, 12756688), (28, 9111920), (32, 7972930), (35, 7289536), (40, 6378344), (56, 4555960), (64, 3986465), (70, 3644768), (80, 3189172), (112, 2277980), (140, 1822384), (160, 1594586), (224, 1138990), (280, 911192), (320, 797293), (448, 569495), (560, 455596), (1120, 227798), (2240, 113899)]