81692280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75641}}^1$

素因数の和:75661

約数の個数: 64

約数和(自身を含む): 272311200

約数和(自身を除く): 190618920

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75641, 151282, 226923, 302564, 378205, 453846, 605128, 680769, 756410, 907692, 1134615, 1361538, 1512820, 1815384, 2042307, 2269230, 2723076, 3025640, 3403845, 4084614, 4538460, 5446152, 6807690, 8169228, 9076920, 10211535, 13615380, 16338456, 20423070, 27230760, 40846140, 81692280]

約数ペア:

[(1, 81692280), (2, 40846140), (3, 27230760), (4, 20423070), (5, 16338456), (6, 13615380), (8, 10211535), (9, 9076920), (10, 8169228), (12, 6807690), (15, 5446152), (18, 4538460), (20, 4084614), (24, 3403845), (27, 3025640), (30, 2723076), (36, 2269230), (40, 2042307), (45, 1815384), (54, 1512820), (60, 1361538), (72, 1134615), (90, 907692), (108, 756410), (120, 680769), (135, 605128), (180, 453846), (216, 378205), (270, 302564), (360, 226923), (540, 151282), (1080, 75641)]