55477620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28019}}^1$

素因数の和:28045

約数の個数: 72

約数和(自身を含む): 183587040

約数和(自身を除く): 128109420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28019, 56038, 84057, 112076, 140095, 168114, 252171, 280190, 308209, 336228, 420285, 504342, 560380, 616418, 840570, 924627, 1008684, 1232836, 1260855, 1541045, 1681140, 1849254, 2521710, 2773881, 3082090, 3698508, 4623135, 5043420, 5547762, 6164180, 9246270, 11095524, 13869405, 18492540, 27738810, 55477620]

約数ペア:

[(1, 55477620), (2, 27738810), (3, 18492540), (4, 13869405), (5, 11095524), (6, 9246270), (9, 6164180), (10, 5547762), (11, 5043420), (12, 4623135), (15, 3698508), (18, 3082090), (20, 2773881), (22, 2521710), (30, 1849254), (33, 1681140), (36, 1541045), (44, 1260855), (45, 1232836), (55, 1008684), (60, 924627), (66, 840570), (90, 616418), (99, 560380), (110, 504342), (132, 420285), (165, 336228), (180, 308209), (198, 280190), (220, 252171), (330, 168114), (396, 140095), (495, 112076), (660, 84057), (990, 56038), (1980, 28019)]