215540460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{399149}}^1$

素因数の和:399167

約数の個数: 48

約数和(自身を含む): 670572000

約数和(自身を除く): 455031540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 399149, 798298, 1197447, 1596596, 1995745, 2394894, 3592341, 3991490, 4789788, 5987235, 7184682, 7982980, 10777023, 11974470, 14369364, 17961705, 21554046, 23948940, 35923410, 43108092, 53885115, 71846820, 107770230, 215540460]

約数ペア:

[(1, 215540460), (2, 107770230), (3, 71846820), (4, 53885115), (5, 43108092), (6, 35923410), (9, 23948940), (10, 21554046), (12, 17961705), (15, 14369364), (18, 11974470), (20, 10777023), (27, 7982980), (30, 7184682), (36, 5987235), (45, 4789788), (54, 3991490), (60, 3592341), (90, 2394894), (108, 1995745), (135, 1596596), (180, 1197447), (270, 798298), (540, 399149)]