208728180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1159601}}^1$

素因数の和:1159616

約数の個数: 36

約数和(自身を含む): 633142692

約数和(自身を除く): 424414512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1159601, 2319202, 3478803, 4638404, 5798005, 6957606, 10436409, 11596010, 13915212, 17394015, 20872818, 23192020, 34788030, 41745636, 52182045, 69576060, 104364090, 208728180]

約数ペア:

[(1, 208728180), (2, 104364090), (3, 69576060), (4, 52182045), (5, 41745636), (6, 34788030), (9, 23192020), (10, 20872818), (12, 17394015), (15, 13915212), (18, 11596010), (20, 10436409), (30, 6957606), (36, 5798005), (45, 4638404), (60, 3478803), (90, 2319202), (180, 1159601)]