201718980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1120661}}^1$

素因数の和:1120676

約数の個数: 36

約数和(自身を含む): 611881452

約数和(自身を除く): 410162472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1120661, 2241322, 3361983, 4482644, 5603305, 6723966, 10085949, 11206610, 13447932, 16809915, 20171898, 22413220, 33619830, 40343796, 50429745, 67239660, 100859490, 201718980]

約数ペア:

[(1, 201718980), (2, 100859490), (3, 67239660), (4, 50429745), (5, 40343796), (6, 33619830), (9, 22413220), (10, 20171898), (12, 16809915), (15, 13447932), (18, 11206610), (20, 10085949), (30, 6723966), (36, 5603305), (45, 4482644), (60, 3361983), (90, 2241322), (180, 1120661)]