81268224

素因数分解:

$2^9\times 3^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 218529168

約数和(自身を除く): 137260944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 256, 314, 337, 384, 471, 512, 628, 674, 768, 942, 1011, 1256, 1348, 1536, 1884, 2022, 2512, 2696, 3768, 4044, 5024, 5392, 7536, 8088, 10048, 10784, 15072, 16176, 20096, 21568, 30144, 32352, 40192, 43136, 52909, 60288, 64704, 80384, 86272, 105818, 120576, 129408, 158727, 172544, 211636, 241152, 258816, 317454, 423272, 517632, 634908, 846544, 1269816, 1693088, 2539632, 3386176, 5079264, 6772352, 10158528, 13544704, 20317056, 27089408, 40634112, 81268224]

約数ペア:

[(1, 81268224), (2, 40634112), (3, 27089408), (4, 20317056), (6, 13544704), (8, 10158528), (12, 6772352), (16, 5079264), (24, 3386176), (32, 2539632), (48, 1693088), (64, 1269816), (96, 846544), (128, 634908), (157, 517632), (192, 423272), (256, 317454), (314, 258816), (337, 241152), (384, 211636), (471, 172544), (512, 158727), (628, 129408), (674, 120576), (768, 105818), (942, 86272), (1011, 80384), (1256, 64704), (1348, 60288), (1536, 52909), (1884, 43136), (2022, 40192), (2512, 32352), (2696, 30144), (3768, 21568), (4044, 20096), (5024, 16176), (5392, 15072), (7536, 10784), (8088, 10048)]