263970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 522270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 419, 630, 838, 1257, 2095, 2514, 2933, 3771, 4190, 5866, 6285, 7542, 8799, 12570, 14665, 17598, 18855, 26397, 29330, 37710, 43995, 52794, 87990, 131985, 263970]

約数ペア:

[(1, 263970), (2, 131985), (3, 87990), (5, 52794), (6, 43995), (7, 37710), (9, 29330), (10, 26397), (14, 18855), (15, 17598), (18, 14665), (21, 12570), (30, 8799), (35, 7542), (42, 6285), (45, 5866), (63, 4190), (70, 3771), (90, 2933), (105, 2514), (126, 2095), (210, 1257), (315, 838), (419, 630)]