81909690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{2089}}^1$

素因数の和:3406

約数の個数: 32

約数和(自身を含む): 196827840

約数和(自身を除く): 114918150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1307, 2089, 2614, 3921, 4178, 6267, 6535, 7842, 10445, 12534, 13070, 19605, 20890, 31335, 39210, 62670, 2730323, 5460646, 8190969, 13651615, 16381938, 27303230, 40954845, 81909690]

約数ペア:

[(1, 81909690), (2, 40954845), (3, 27303230), (5, 16381938), (6, 13651615), (10, 8190969), (15, 5460646), (30, 2730323), (1307, 62670), (2089, 39210), (2614, 31335), (3921, 20890), (4178, 19605), (6267, 13070), (6535, 12534), (7842, 10445)]