81219210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117709}}^1$

素因数の和:117742

約数の個数: 32

約数和(自身を含む): 203402880

約数和(自身を除く): 122183670

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 117709, 235418, 353127, 588545, 706254, 1177090, 1765635, 2707307, 3531270, 5414614, 8121921, 13536535, 16243842, 27073070, 40609605, 81219210]

約数ペア:

[(1, 81219210), (2, 40609605), (3, 27073070), (5, 16243842), (6, 13536535), (10, 8121921), (15, 5414614), (23, 3531270), (30, 2707307), (46, 1765635), (69, 1177090), (115, 706254), (138, 588545), (230, 353127), (345, 235418), (690, 117709)]