201621780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1120121}}^1$

素因数の和:1120136

約数の個数: 36

約数和(自身を含む): 611586612

約数和(自身を除く): 409964832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1120121, 2240242, 3360363, 4480484, 5600605, 6720726, 10081089, 11201210, 13441452, 16801815, 20162178, 22402420, 33603630, 40324356, 50405445, 67207260, 100810890, 201621780]

約数ペア:

[(1, 201621780), (2, 100810890), (3, 67207260), (4, 50405445), (5, 40324356), (6, 33603630), (9, 22402420), (10, 20162178), (12, 16801815), (15, 13441452), (18, 11201210), (20, 10081089), (30, 6720726), (36, 5600605), (45, 4480484), (60, 3360363), (90, 2240242), (180, 1120121)]