127477120

素因数分解:

$2^7\times 5^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 306122400

約数和(自身を除く): 178645280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 409, 487, 640, 818, 974, 1636, 1948, 2045, 2435, 3272, 3896, 4090, 4870, 6544, 7792, 8180, 9740, 13088, 15584, 16360, 19480, 26176, 31168, 32720, 38960, 52352, 62336, 65440, 77920, 130880, 155840, 199183, 261760, 311680, 398366, 796732, 995915, 1593464, 1991830, 3186928, 3983660, 6373856, 7967320, 12747712, 15934640, 25495424, 31869280, 63738560, 127477120]

約数ペア:

[(1, 127477120), (2, 63738560), (4, 31869280), (5, 25495424), (8, 15934640), (10, 12747712), (16, 7967320), (20, 6373856), (32, 3983660), (40, 3186928), (64, 1991830), (80, 1593464), (128, 995915), (160, 796732), (320, 398366), (409, 311680), (487, 261760), (640, 199183), (818, 155840), (974, 130880), (1636, 77920), (1948, 65440), (2045, 62336), (2435, 52352), (3272, 38960), (3896, 32720), (4090, 31168), (4870, 26176), (6544, 19480), (7792, 16360), (8180, 15584), (9740, 13088)]