81317490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73259}}^1$

素因数の和:73306

約数の個数: 32

約数和(自身を含む): 200439360

約数和(自身を除く): 119121870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 73259, 146518, 219777, 366295, 439554, 732590, 1098885, 2197770, 2710583, 5421166, 8131749, 13552915, 16263498, 27105830, 40658745, 81317490]

約数ペア:

[(1, 81317490), (2, 40658745), (3, 27105830), (5, 16263498), (6, 13552915), (10, 8131749), (15, 5421166), (30, 2710583), (37, 2197770), (74, 1098885), (111, 732590), (185, 439554), (222, 366295), (370, 219777), (555, 146518), (1110, 73259)]