205858980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1143661}}^1$

素因数の和:1143676

約数の個数: 36

約数和(自身を含む): 624439452

約数和(自身を除く): 418580472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1143661, 2287322, 3430983, 4574644, 5718305, 6861966, 10292949, 11436610, 13723932, 17154915, 20585898, 22873220, 34309830, 41171796, 51464745, 68619660, 102929490, 205858980]

約数ペア:

[(1, 205858980), (2, 102929490), (3, 68619660), (4, 51464745), (5, 41171796), (6, 34309830), (9, 22873220), (10, 20585898), (12, 17154915), (15, 13723932), (18, 11436610), (20, 10292949), (30, 6861966), (36, 5718305), (45, 4574644), (60, 3430983), (90, 2287322), (180, 1143661)]