155811880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{929}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 401760000

約数和(自身を除く): 245948120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 599, 929, 1198, 1858, 2396, 2995, 3716, 4193, 4645, 4792, 5990, 6503, 7432, 8386, 9290, 11980, 13006, 16772, 18580, 20965, 23960, 26012, 32515, 33544, 37160, 41930, 52024, 65030, 83860, 130060, 167720, 260120, 556471, 1112942, 2225884, 2782355, 3895297, 4451768, 5564710, 7790594, 11129420, 15581188, 19476485, 22258840, 31162376, 38952970, 77905940, 155811880]

約数ペア:

[(1, 155811880), (2, 77905940), (4, 38952970), (5, 31162376), (7, 22258840), (8, 19476485), (10, 15581188), (14, 11129420), (20, 7790594), (28, 5564710), (35, 4451768), (40, 3895297), (56, 2782355), (70, 2225884), (140, 1112942), (280, 556471), (599, 260120), (929, 167720), (1198, 130060), (1858, 83860), (2396, 65030), (2995, 52024), (3716, 41930), (4193, 37160), (4645, 33544), (4792, 32515), (5990, 26012), (6503, 23960), (7432, 20965), (8386, 18580), (9290, 16772), (11980, 13006)]