313855440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1307731}}^1$

素因数の和:1307747

約数の個数: 40

約数和(自身を含む): 972952608

約数和(自身を除く): 659097168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1307731, 2615462, 3923193, 5230924, 6538655, 7846386, 10461848, 13077310, 15692772, 19615965, 20923696, 26154620, 31385544, 39231930, 52309240, 62771088, 78463860, 104618480, 156927720, 313855440]

約数ペア:

[(1, 313855440), (2, 156927720), (3, 104618480), (4, 78463860), (5, 62771088), (6, 52309240), (8, 39231930), (10, 31385544), (12, 26154620), (15, 20923696), (16, 19615965), (20, 15692772), (24, 13077310), (30, 10461848), (40, 7846386), (48, 6538655), (60, 5230924), (80, 3923193), (120, 2615462), (240, 1307731)]