90781560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{28019}}^1$

素因数の和:28042

約数の個数: 80

約数和(自身を含む): 305137800

約数和(自身を除く): 214356240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 28019, 56038, 84057, 112076, 140095, 168114, 224152, 252171, 280190, 336228, 420285, 504342, 560380, 672456, 756513, 840570, 1008684, 1120760, 1260855, 1513026, 1681140, 2017368, 2269539, 2521710, 3026052, 3362280, 3782565, 4539078, 5043420, 6052104, 7565130, 9078156, 10086840, 11347695, 15130260, 18156312, 22695390, 30260520, 45390780, 90781560]

約数ペア:

[(1, 90781560), (2, 45390780), (3, 30260520), (4, 22695390), (5, 18156312), (6, 15130260), (8, 11347695), (9, 10086840), (10, 9078156), (12, 7565130), (15, 6052104), (18, 5043420), (20, 4539078), (24, 3782565), (27, 3362280), (30, 3026052), (36, 2521710), (40, 2269539), (45, 2017368), (54, 1681140), (60, 1513026), (72, 1260855), (81, 1120760), (90, 1008684), (108, 840570), (120, 756513), (135, 672456), (162, 560380), (180, 504342), (216, 420285), (270, 336228), (324, 280190), (360, 252171), (405, 224152), (540, 168114), (648, 140095), (810, 112076), (1080, 84057), (1620, 56038), (3240, 28019)]