78862720

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 190026000

約数和(自身を除く): 111163280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 298, 320, 596, 640, 745, 827, 1192, 1490, 1654, 2384, 2980, 3308, 4135, 4768, 5960, 6616, 8270, 9536, 11920, 13232, 16540, 19072, 23840, 26464, 33080, 47680, 52928, 66160, 95360, 105856, 123223, 132320, 246446, 264640, 492892, 529280, 616115, 985784, 1232230, 1971568, 2464460, 3943136, 4928920, 7886272, 9857840, 15772544, 19715680, 39431360, 78862720]

約数ペア:

[(1, 78862720), (2, 39431360), (4, 19715680), (5, 15772544), (8, 9857840), (10, 7886272), (16, 4928920), (20, 3943136), (32, 2464460), (40, 1971568), (64, 1232230), (80, 985784), (128, 616115), (149, 529280), (160, 492892), (298, 264640), (320, 246446), (596, 132320), (640, 123223), (745, 105856), (827, 95360), (1192, 66160), (1490, 52928), (1654, 47680), (2384, 33080), (2980, 26464), (3308, 23840), (4135, 19072), (4768, 16540), (5960, 13232), (6616, 11920), (8270, 9536)]