28782540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 91679280

約数和(自身を除く): 62896740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 163, 180, 218, 270, 324, 326, 327, 405, 436, 489, 540, 545, 652, 654, 810, 815, 978, 981, 1090, 1308, 1467, 1620, 1630, 1635, 1956, 1962, 2180, 2445, 2934, 2943, 3260, 3270, 3924, 4401, 4890, 4905, 5868, 5886, 6540, 7335, 8802, 8829, 9780, 9810, 11772, 13203, 14670, 14715, 17604, 17658, 17767, 19620, 22005, 26406, 29340, 29430, 35316, 35534, 44010, 44145, 52812, 53301, 58860, 66015, 71068, 88020, 88290, 88835, 106602, 132030, 159903, 176580, 177670, 213204, 264060, 266505, 319806, 355340, 479709, 533010, 639612, 799515, 959418, 1066020, 1439127, 1599030, 1918836, 2398545, 2878254, 3198060, 4797090, 5756508, 7195635, 9594180, 14391270, 28782540]

約数ペア:

[(1, 28782540), (2, 14391270), (3, 9594180), (4, 7195635), (5, 5756508), (6, 4797090), (9, 3198060), (10, 2878254), (12, 2398545), (15, 1918836), (18, 1599030), (20, 1439127), (27, 1066020), (30, 959418), (36, 799515), (45, 639612), (54, 533010), (60, 479709), (81, 355340), (90, 319806), (108, 266505), (109, 264060), (135, 213204), (162, 177670), (163, 176580), (180, 159903), (218, 132030), (270, 106602), (324, 88835), (326, 88290), (327, 88020), (405, 71068), (436, 66015), (489, 58860), (540, 53301), (545, 52812), (652, 44145), (654, 44010), (810, 35534), (815, 35316), (978, 29430), (981, 29340), (1090, 26406), (1308, 22005), (1467, 19620), (1620, 17767), (1630, 17658), (1635, 17604), (1956, 14715), (1962, 14670), (2180, 13203), (2445, 11772), (2934, 9810), (2943, 9780), (3260, 8829), (3270, 8802), (3924, 7335), (4401, 6540), (4890, 5886), (4905, 5868)]