1211220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2243}}^1$

素因数の和:2261

約数の個数: 48

約数和(自身を含む): 3769920

約数和(自身を除く): 2558700

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, 2243, 4486, 6729, 8972, 11215, 13458, 20187, 22430, 26916, 33645, 40374, 44860, 60561, 67290, 80748, 100935, 121122, 134580, 201870, 242244, 302805, 403740, 605610, 1211220]

約数ペア:

[(1, 1211220), (2, 605610), (3, 403740), (4, 302805), (5, 242244), (6, 201870), (9, 134580), (10, 121122), (12, 100935), (15, 80748), (18, 67290), (20, 60561), (27, 44860), (30, 40374), (36, 33645), (45, 26916), (54, 22430), (60, 20187), (90, 13458), (108, 11215), (135, 8972), (180, 6729), (270, 4486), (540, 2243)]