81515664

素因数分解:

$2^4\times 3^2\times {\mathrm{659}}^1\times {\mathrm{859}}^1$

素因数の和:1532

約数の個数: 60

約数和(自身を含む): 228742800

約数和(自身を除く): 147227136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 659, 859, 1318, 1718, 1977, 2577, 2636, 3436, 3954, 5154, 5272, 5931, 6872, 7731, 7908, 10308, 10544, 11862, 13744, 15462, 15816, 20616, 23724, 30924, 31632, 41232, 47448, 61848, 94896, 123696, 566081, 1132162, 1698243, 2264324, 3396486, 4528648, 5094729, 6792972, 9057296, 10189458, 13585944, 20378916, 27171888, 40757832, 81515664]

約数ペア:

[(1, 81515664), (2, 40757832), (3, 27171888), (4, 20378916), (6, 13585944), (8, 10189458), (9, 9057296), (12, 6792972), (16, 5094729), (18, 4528648), (24, 3396486), (36, 2264324), (48, 1698243), (72, 1132162), (144, 566081), (659, 123696), (859, 94896), (1318, 61848), (1718, 47448), (1977, 41232), (2577, 31632), (2636, 30924), (3436, 23724), (3954, 20616), (5154, 15816), (5272, 15462), (5931, 13744), (6872, 11862), (7731, 10544), (7908, 10308)]