78858080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:592

約数の個数: 96

約数和(自身を含む): 214643520

約数和(自身を除く): 135785440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 181, 224, 280, 362, 389, 560, 724, 778, 905, 1120, 1267, 1448, 1556, 1810, 1945, 2534, 2723, 2896, 3112, 3620, 3890, 5068, 5446, 5792, 6224, 6335, 7240, 7780, 10136, 10892, 12448, 12670, 13615, 14480, 15560, 20272, 21784, 25340, 27230, 28960, 31120, 40544, 43568, 50680, 54460, 62240, 70409, 87136, 101360, 108920, 140818, 202720, 217840, 281636, 352045, 435680, 492863, 563272, 704090, 985726, 1126544, 1408180, 1971452, 2253088, 2464315, 2816360, 3942904, 4928630, 5632720, 7885808, 9857260, 11265440, 15771616, 19714520, 39429040, 78858080]

約数ペア:

[(1, 78858080), (2, 39429040), (4, 19714520), (5, 15771616), (7, 11265440), (8, 9857260), (10, 7885808), (14, 5632720), (16, 4928630), (20, 3942904), (28, 2816360), (32, 2464315), (35, 2253088), (40, 1971452), (56, 1408180), (70, 1126544), (80, 985726), (112, 704090), (140, 563272), (160, 492863), (181, 435680), (224, 352045), (280, 281636), (362, 217840), (389, 202720), (560, 140818), (724, 108920), (778, 101360), (905, 87136), (1120, 70409), (1267, 62240), (1448, 54460), (1556, 50680), (1810, 43568), (1945, 40544), (2534, 31120), (2723, 28960), (2896, 27230), (3112, 25340), (3620, 21784), (3890, 20272), (5068, 15560), (5446, 14480), (5792, 13615), (6224, 12670), (6335, 12448), (7240, 10892), (7780, 10136)]