20173680

素因数分解:

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

素因数の和:28038

約数の個数: 60

約数和(自身を含む): 67752360

約数和(自身を除く): 47578680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28019, 56038, 84057, 112076, 140095, 168114, 224152, 252171, 280190, 336228, 420285, 448304, 504342, 560380, 672456, 840570, 1008684, 1120760, 1260855, 1344912, 1681140, 2017368, 2241520, 2521710, 3362280, 4034736, 5043420, 6724560, 10086840, 20173680]

約数ペア:

[(1, 20173680), (2, 10086840), (3, 6724560), (4, 5043420), (5, 4034736), (6, 3362280), (8, 2521710), (9, 2241520), (10, 2017368), (12, 1681140), (15, 1344912), (16, 1260855), (18, 1120760), (20, 1008684), (24, 840570), (30, 672456), (36, 560380), (40, 504342), (45, 448304), (48, 420285), (60, 336228), (72, 280190), (80, 252171), (90, 224152), (120, 168114), (144, 140095), (180, 112076), (240, 84057), (360, 56038), (720, 28019)]