12864780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71471}}^1$

素因数の和:71486

約数の個数: 36

約数和(自身を含む): 39023712

約数和(自身を除く): 26158932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71471, 142942, 214413, 285884, 357355, 428826, 643239, 714710, 857652, 1072065, 1286478, 1429420, 2144130, 2572956, 3216195, 4288260, 6432390, 12864780]

約数ペア:

[(1, 12864780), (2, 6432390), (3, 4288260), (4, 3216195), (5, 2572956), (6, 2144130), (9, 1429420), (10, 1286478), (12, 1072065), (15, 857652), (18, 714710), (20, 643239), (30, 428826), (36, 357355), (45, 285884), (60, 214413), (90, 142942), (180, 71471)]