1974180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 5955264

約数和(自身を除く): 3981084

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, 2531, 5062, 7593, 10124, 12655, 15186, 25310, 30372, 32903, 37965, 50620, 65806, 75930, 98709, 131612, 151860, 164515, 197418, 329030, 394836, 493545, 658060, 987090, 1974180]

約数ペア:

[(1, 1974180), (2, 987090), (3, 658060), (4, 493545), (5, 394836), (6, 329030), (10, 197418), (12, 164515), (13, 151860), (15, 131612), (20, 98709), (26, 75930), (30, 65806), (39, 50620), (52, 37965), (60, 32903), (65, 30372), (78, 25310), (130, 15186), (156, 12655), (195, 10124), (260, 7593), (390, 5062), (780, 2531)]