1680380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 3979584

約数和(自身を除く): 2299204

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 281, 299, 460, 562, 598, 1124, 1196, 1405, 1495, 2810, 2990, 3653, 5620, 5980, 6463, 7306, 12926, 14612, 18265, 25852, 32315, 36530, 64630, 73060, 84019, 129260, 168038, 336076, 420095, 840190, 1680380]

約数ペア:

[(1, 1680380), (2, 840190), (4, 420095), (5, 336076), (10, 168038), (13, 129260), (20, 84019), (23, 73060), (26, 64630), (46, 36530), (52, 32315), (65, 25852), (92, 18265), (115, 14612), (130, 12926), (230, 7306), (260, 6463), (281, 5980), (299, 5620), (460, 3653), (562, 2990), (598, 2810), (1124, 1495), (1196, 1405)]