25730280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71473}}^1$

素因数の和:71490

約数の個数: 48

約数和(自身を含む): 83624580

約数和(自身を除く): 57894300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 71473, 142946, 214419, 285892, 357365, 428838, 571784, 643257, 714730, 857676, 1072095, 1286514, 1429460, 1715352, 2144190, 2573028, 2858920, 3216285, 4288380, 5146056, 6432570, 8576760, 12865140, 25730280]

約数ペア:

[(1, 25730280), (2, 12865140), (3, 8576760), (4, 6432570), (5, 5146056), (6, 4288380), (8, 3216285), (9, 2858920), (10, 2573028), (12, 2144190), (15, 1715352), (18, 1429460), (20, 1286514), (24, 1072095), (30, 857676), (36, 714730), (40, 643257), (45, 571784), (60, 428838), (72, 357365), (90, 285892), (120, 214419), (180, 142946), (360, 71473)]