13408020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{74489}}^1$

素因数の和:74504

約数の個数: 36

約数和(自身を含む): 40671540

約数和(自身を除く): 27263520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 74489, 148978, 223467, 297956, 372445, 446934, 670401, 744890, 893868, 1117335, 1340802, 1489780, 2234670, 2681604, 3352005, 4469340, 6704010, 13408020]

約数ペア:

[(1, 13408020), (2, 6704010), (3, 4469340), (4, 3352005), (5, 2681604), (6, 2234670), (9, 1489780), (10, 1340802), (12, 1117335), (15, 893868), (18, 744890), (20, 670401), (30, 446934), (36, 372445), (45, 297956), (60, 223467), (90, 148978), (180, 74489)]