721211220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4006729}}^1$

素因数の和:4006744

約数の個数: 36

約数和(自身を含む): 2187674580

約数和(自身を除く): 1466463360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4006729, 8013458, 12020187, 16026916, 20033645, 24040374, 36060561, 40067290, 48080748, 60100935, 72121122, 80134580, 120201870, 144242244, 180302805, 240403740, 360605610, 721211220]

約数ペア:

[(1, 721211220), (2, 360605610), (3, 240403740), (4, 180302805), (5, 144242244), (6, 120201870), (9, 80134580), (10, 72121122), (12, 60100935), (15, 48080748), (18, 40067290), (20, 36060561), (30, 24040374), (36, 20033645), (45, 16026916), (60, 12020187), (90, 8013458), (180, 4006729)]