157715840

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1219

約数の個数: 64

約数和(自身を含む): 378876960

約数和(自身を除く): 221161120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 526, 640, 937, 1052, 1315, 1874, 2104, 2630, 3748, 4208, 4685, 5260, 7496, 8416, 9370, 10520, 14992, 16832, 18740, 21040, 29984, 33664, 37480, 42080, 59968, 74960, 84160, 119936, 149920, 168320, 246431, 299840, 492862, 599680, 985724, 1232155, 1971448, 2464310, 3942896, 4928620, 7885792, 9857240, 15771584, 19714480, 31543168, 39428960, 78857920, 157715840]

約数ペア:

[(1, 157715840), (2, 78857920), (4, 39428960), (5, 31543168), (8, 19714480), (10, 15771584), (16, 9857240), (20, 7885792), (32, 4928620), (40, 3942896), (64, 2464310), (80, 1971448), (128, 1232155), (160, 985724), (263, 599680), (320, 492862), (526, 299840), (640, 246431), (937, 168320), (1052, 149920), (1315, 119936), (1874, 84160), (2104, 74960), (2630, 59968), (3748, 42080), (4208, 37480), (4685, 33664), (5260, 29984), (7496, 21040), (8416, 18740), (9370, 16832), (10520, 14992)]