2705820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3494

約数の個数: 48

約数和(自身を含む): 8161440

約数和(自身を除く): 5455620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3469, 6938, 10407, 13876, 17345, 20814, 34690, 41628, 45097, 52035, 69380, 90194, 104070, 135291, 180388, 208140, 225485, 270582, 450970, 541164, 676455, 901940, 1352910, 2705820]

約数ペア:

[(1, 2705820), (2, 1352910), (3, 901940), (4, 676455), (5, 541164), (6, 450970), (10, 270582), (12, 225485), (13, 208140), (15, 180388), (20, 135291), (26, 104070), (30, 90194), (39, 69380), (52, 52035), (60, 45097), (65, 41628), (78, 34690), (130, 20814), (156, 17345), (195, 13876), (260, 10407), (390, 6938), (780, 3469)]