81293670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31147}}^1$

素因数の和:31189

約数の個数: 48

約数和(自身を含む): 218658960

約数和(自身を除く): 137365290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31147, 62294, 93441, 155735, 186882, 280323, 311470, 467205, 560646, 903263, 934410, 1401615, 1806526, 2709789, 2803230, 4516315, 5419578, 8129367, 9032630, 13548945, 16258734, 27097890, 40646835, 81293670]

約数ペア:

[(1, 81293670), (2, 40646835), (3, 27097890), (5, 16258734), (6, 13548945), (9, 9032630), (10, 8129367), (15, 5419578), (18, 4516315), (29, 2803230), (30, 2709789), (45, 1806526), (58, 1401615), (87, 934410), (90, 903263), (145, 560646), (174, 467205), (261, 311470), (290, 280323), (435, 186882), (522, 155735), (870, 93441), (1305, 62294), (2610, 31147)]