81492870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73417}}^1$

素因数の和:73464

約数の個数: 32

約数和(自身を含む): 200871648

約数和(自身を除く): 119378778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 73417, 146834, 220251, 367085, 440502, 734170, 1101255, 2202510, 2716429, 5432858, 8149287, 13582145, 16298574, 27164290, 40746435, 81492870]

約数ペア:

[(1, 81492870), (2, 40746435), (3, 27164290), (5, 16298574), (6, 13582145), (10, 8149287), (15, 5432858), (30, 2716429), (37, 2202510), (74, 1101255), (111, 734170), (185, 440502), (222, 367085), (370, 220251), (555, 146834), (1110, 73417)]