326820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 987840

約数和(自身を除く): 661020

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, 419, 780, 838, 1257, 1676, 2095, 2514, 4190, 5028, 5447, 6285, 8380, 10894, 12570, 16341, 21788, 25140, 27235, 32682, 54470, 65364, 81705, 108940, 163410, 326820]

約数ペア:

[(1, 326820), (2, 163410), (3, 108940), (4, 81705), (5, 65364), (6, 54470), (10, 32682), (12, 27235), (13, 25140), (15, 21788), (20, 16341), (26, 12570), (30, 10894), (39, 8380), (52, 6285), (60, 5447), (65, 5028), (78, 4190), (130, 2514), (156, 2095), (195, 1676), (260, 1257), (390, 838), (419, 780)]