81570528

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21787}}^1$

素因数の和:21816

約数の個数: 72

約数和(自身を含む): 249821208

約数和(自身を除く): 168250680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21787, 43574, 65361, 87148, 130722, 174296, 196083, 261444, 283231, 348592, 392166, 522888, 566462, 697184, 784332, 849693, 1045776, 1132924, 1568664, 1699386, 2091552, 2265848, 2549079, 3137328, 3398772, 4531696, 5098158, 6274656, 6797544, 9063392, 10196316, 13595088, 20392632, 27190176, 40785264, 81570528]

約数ペア:

[(1, 81570528), (2, 40785264), (3, 27190176), (4, 20392632), (6, 13595088), (8, 10196316), (9, 9063392), (12, 6797544), (13, 6274656), (16, 5098158), (18, 4531696), (24, 3398772), (26, 3137328), (32, 2549079), (36, 2265848), (39, 2091552), (48, 1699386), (52, 1568664), (72, 1132924), (78, 1045776), (96, 849693), (104, 784332), (117, 697184), (144, 566462), (156, 522888), (208, 392166), (234, 348592), (288, 283231), (312, 261444), (416, 196083), (468, 174296), (624, 130722), (936, 87148), (1248, 65361), (1872, 43574), (3744, 21787)]