2223540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 7364448

約数和(自身を除く): 5140908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1123, 1980, 2246, 3369, 4492, 5615, 6738, 10107, 11230, 12353, 13476, 16845, 20214, 22460, 24706, 33690, 37059, 40428, 49412, 50535, 61765, 67380, 74118, 101070, 111177, 123530, 148236, 185295, 202140, 222354, 247060, 370590, 444708, 555885, 741180, 1111770, 2223540]

約数ペア:

[(1, 2223540), (2, 1111770), (3, 741180), (4, 555885), (5, 444708), (6, 370590), (9, 247060), (10, 222354), (11, 202140), (12, 185295), (15, 148236), (18, 123530), (20, 111177), (22, 101070), (30, 74118), (33, 67380), (36, 61765), (44, 50535), (45, 49412), (55, 40428), (60, 37059), (66, 33690), (90, 24706), (99, 22460), (110, 20214), (132, 16845), (165, 13476), (180, 12353), (198, 11230), (220, 10107), (330, 6738), (396, 5615), (495, 4492), (660, 3369), (990, 2246), (1123, 1980)]