78806560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4139}}^1$

素因数の和:4178

約数の個数: 96

約数和(自身を含む): 225348480

約数和(自身を除く): 146541920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1904, 2380, 2720, 3808, 4139, 4760, 8278, 9520, 16556, 19040, 20695, 28973, 33112, 41390, 57946, 66224, 70363, 82780, 115892, 132448, 140726, 144865, 165560, 231784, 281452, 289730, 331120, 351815, 463568, 492541, 562904, 579460, 662240, 703630, 927136, 985082, 1125808, 1158920, 1407260, 1970164, 2251616, 2317840, 2462705, 2814520, 3940328, 4635680, 4925410, 5629040, 7880656, 9850820, 11258080, 15761312, 19701640, 39403280, 78806560]

約数ペア:

[(1, 78806560), (2, 39403280), (4, 19701640), (5, 15761312), (7, 11258080), (8, 9850820), (10, 7880656), (14, 5629040), (16, 4925410), (17, 4635680), (20, 3940328), (28, 2814520), (32, 2462705), (34, 2317840), (35, 2251616), (40, 1970164), (56, 1407260), (68, 1158920), (70, 1125808), (80, 985082), (85, 927136), (112, 703630), (119, 662240), (136, 579460), (140, 562904), (160, 492541), (170, 463568), (224, 351815), (238, 331120), (272, 289730), (280, 281452), (340, 231784), (476, 165560), (544, 144865), (560, 140726), (595, 132448), (680, 115892), (952, 82780), (1120, 70363), (1190, 66224), (1360, 57946), (1904, 41390), (2380, 33112), (2720, 28973), (3808, 20695), (4139, 19040), (4760, 16556), (8278, 9520)]