72108180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400601}}^1$

素因数の和:400616

約数の個数: 36

約数和(自身を含む): 218728692

約数和(自身を除く): 146620512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400601, 801202, 1201803, 1602404, 2003005, 2403606, 3605409, 4006010, 4807212, 6009015, 7210818, 8012020, 12018030, 14421636, 18027045, 24036060, 36054090, 72108180]

約数ペア:

[(1, 72108180), (2, 36054090), (3, 24036060), (4, 18027045), (5, 14421636), (6, 12018030), (9, 8012020), (10, 7210818), (12, 6009015), (15, 4807212), (18, 4006010), (20, 3605409), (30, 2403606), (36, 2003005), (45, 1602404), (60, 1201803), (90, 801202), (180, 400601)]