30897780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7253}}^1$

素因数の和:7336

約数の個数: 48

約数和(自身を含む): 87744384

約数和(自身を除く): 56846604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7253, 14506, 21759, 29012, 36265, 43518, 72530, 87036, 108795, 145060, 217590, 435180, 514963, 1029926, 1544889, 2059852, 2574815, 3089778, 5149630, 6179556, 7724445, 10299260, 15448890, 30897780]

約数ペア:

[(1, 30897780), (2, 15448890), (3, 10299260), (4, 7724445), (5, 6179556), (6, 5149630), (10, 3089778), (12, 2574815), (15, 2059852), (20, 1544889), (30, 1029926), (60, 514963), (71, 435180), (142, 217590), (213, 145060), (284, 108795), (355, 87036), (426, 72530), (710, 43518), (852, 36265), (1065, 29012), (1420, 21759), (2130, 14506), (4260, 7253)]