12450420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^2$

素因数の和:541

約数の個数: 54

約数和(自身を含む): 37910418

約数和(自身を除く): 25459998

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3945, 4734, 5260, 7890, 9468, 11835, 15780, 23670, 47340, 69169, 138338, 207507, 276676, 345845, 415014, 622521, 691690, 830028, 1037535, 1245042, 1383380, 2075070, 2490084, 3112605, 4150140, 6225210, 12450420]

約数ペア:

[(1, 12450420), (2, 6225210), (3, 4150140), (4, 3112605), (5, 2490084), (6, 2075070), (9, 1383380), (10, 1245042), (12, 1037535), (15, 830028), (18, 691690), (20, 622521), (30, 415014), (36, 345845), (45, 276676), (60, 207507), (90, 138338), (180, 69169), (263, 47340), (526, 23670), (789, 15780), (1052, 11835), (1315, 9468), (1578, 7890), (2367, 5260), (2630, 4734), (3156, 3945)]