81184560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338269}}^1$

素因数の和:338285

約数の個数: 40

約数和(自身を含む): 251672880

約数和(自身を除く): 170488320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338269, 676538, 1014807, 1353076, 1691345, 2029614, 2706152, 3382690, 4059228, 5074035, 5412304, 6765380, 8118456, 10148070, 13530760, 16236912, 20296140, 27061520, 40592280, 81184560]

約数ペア:

[(1, 81184560), (2, 40592280), (3, 27061520), (4, 20296140), (5, 16236912), (6, 13530760), (8, 10148070), (10, 8118456), (12, 6765380), (15, 5412304), (16, 5074035), (20, 4059228), (24, 3382690), (30, 2706152), (40, 2029614), (48, 1691345), (60, 1353076), (80, 1014807), (120, 676538), (240, 338269)]