80757320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 208483200

約数和(自身を除く): 127725880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 758, 761, 1516, 1522, 1895, 2653, 3032, 3044, 3790, 3805, 5306, 5327, 6088, 7580, 7610, 10612, 10654, 13265, 15160, 15220, 21224, 21308, 26530, 26635, 30440, 42616, 53060, 53270, 106120, 106540, 213080, 288419, 576838, 1153676, 1442095, 2018933, 2307352, 2884190, 4037866, 5768380, 8075732, 10094665, 11536760, 16151464, 20189330, 40378660, 80757320]

約数ペア:

[(1, 80757320), (2, 40378660), (4, 20189330), (5, 16151464), (7, 11536760), (8, 10094665), (10, 8075732), (14, 5768380), (20, 4037866), (28, 2884190), (35, 2307352), (40, 2018933), (56, 1442095), (70, 1153676), (140, 576838), (280, 288419), (379, 213080), (758, 106540), (761, 106120), (1516, 53270), (1522, 53060), (1895, 42616), (2653, 30440), (3032, 26635), (3044, 26530), (3790, 21308), (3805, 21224), (5306, 15220), (5327, 15160), (6088, 13265), (7580, 10654), (7610, 10612)]