81730270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{1321}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 154198080

約数和(自身を除く): 72467810

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 269, 538, 1321, 1345, 2642, 2690, 6187, 6605, 12374, 13210, 30383, 30935, 60766, 61870, 151915, 303830, 355349, 710698, 1776745, 3553490, 8173027, 16346054, 40865135, 81730270]

約数ペア:

[(1, 81730270), (2, 40865135), (5, 16346054), (10, 8173027), (23, 3553490), (46, 1776745), (115, 710698), (230, 355349), (269, 303830), (538, 151915), (1321, 61870), (1345, 60766), (2642, 30935), (2690, 30383), (6187, 13210), (6605, 12374)]