81723210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17351}}^1$

素因数の和:17518

約数の個数: 32

約数和(自身を含む): 197396352

約数和(自身を除く): 115673142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4710, 17351, 34702, 52053, 86755, 104106, 173510, 260265, 520530, 2724107, 5448214, 8172321, 13620535, 16344642, 27241070, 40861605, 81723210]

約数ペア:

[(1, 81723210), (2, 40861605), (3, 27241070), (5, 16344642), (6, 13620535), (10, 8172321), (15, 5448214), (30, 2724107), (157, 520530), (314, 260265), (471, 173510), (785, 104106), (942, 86755), (1570, 52053), (2355, 34702), (4710, 17351)]