28002420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155569}}^1$

素因数の和:155584

約数の個数: 36

約数和(自身を含む): 84941220

約数和(自身を除く): 56938800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155569, 311138, 466707, 622276, 777845, 933414, 1400121, 1555690, 1866828, 2333535, 2800242, 3111380, 4667070, 5600484, 7000605, 9334140, 14001210, 28002420]

約数ペア:

[(1, 28002420), (2, 14001210), (3, 9334140), (4, 7000605), (5, 5600484), (6, 4667070), (9, 3111380), (10, 2800242), (12, 2333535), (15, 1866828), (18, 1555690), (20, 1400121), (30, 933414), (36, 777845), (45, 622276), (60, 466707), (90, 311138), (180, 155569)]