27788220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{487}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 84730464

約数和(自身を除く): 56942244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 487, 634, 951, 974, 1268, 1461, 1585, 1902, 1948, 2435, 2853, 2922, 3170, 3804, 4383, 4755, 4870, 5706, 5844, 6340, 7305, 8766, 9510, 9740, 11412, 14265, 14610, 17532, 19020, 21915, 28530, 29220, 43830, 57060, 87660, 154379, 308758, 463137, 617516, 771895, 926274, 1389411, 1543790, 1852548, 2315685, 2778822, 3087580, 4631370, 5557644, 6947055, 9262740, 13894110, 27788220]

約数ペア:

[(1, 27788220), (2, 13894110), (3, 9262740), (4, 6947055), (5, 5557644), (6, 4631370), (9, 3087580), (10, 2778822), (12, 2315685), (15, 1852548), (18, 1543790), (20, 1389411), (30, 926274), (36, 771895), (45, 617516), (60, 463137), (90, 308758), (180, 154379), (317, 87660), (487, 57060), (634, 43830), (951, 29220), (974, 28530), (1268, 21915), (1461, 19020), (1585, 17532), (1902, 14610), (1948, 14265), (2435, 11412), (2853, 9740), (2922, 9510), (3170, 8766), (3804, 7305), (4383, 6340), (4755, 5844), (4870, 5706)]