81468310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3469

約数の個数: 64

約数和(自身を含む): 188780544

約数和(自身を除く): 107312234

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1705, 2170, 2387, 3410, 3413, 4774, 6826, 11935, 17065, 23870, 23891, 34130, 37543, 47782, 75086, 105803, 119455, 187715, 211606, 238910, 262801, 375430, 525602, 529015, 740621, 1058030, 1163833, 1314005, 1481242, 2327666, 2628010, 3703105, 5819165, 7406210, 8146831, 11638330, 16293662, 40734155, 81468310]

約数ペア:

[(1, 81468310), (2, 40734155), (5, 16293662), (7, 11638330), (10, 8146831), (11, 7406210), (14, 5819165), (22, 3703105), (31, 2628010), (35, 2327666), (55, 1481242), (62, 1314005), (70, 1163833), (77, 1058030), (110, 740621), (154, 529015), (155, 525602), (217, 375430), (310, 262801), (341, 238910), (385, 211606), (434, 187715), (682, 119455), (770, 105803), (1085, 75086), (1705, 47782), (2170, 37543), (2387, 34130), (3410, 23891), (3413, 23870), (4774, 17065), (6826, 11935)]