68468820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163021}}^1$

素因数の和:163040

約数の個数: 48

約数和(自身を含む): 219101568

約数和(自身を除く): 150632748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163021, 326042, 489063, 652084, 815105, 978126, 1141147, 1630210, 1956252, 2282294, 2445315, 3260420, 3423441, 4564588, 4890630, 5705735, 6846882, 9781260, 11411470, 13693764, 17117205, 22822940, 34234410, 68468820]

約数ペア:

[(1, 68468820), (2, 34234410), (3, 22822940), (4, 17117205), (5, 13693764), (6, 11411470), (7, 9781260), (10, 6846882), (12, 5705735), (14, 4890630), (15, 4564588), (20, 3423441), (21, 3260420), (28, 2445315), (30, 2282294), (35, 1956252), (42, 1630210), (60, 1141147), (70, 978126), (84, 815105), (105, 652084), (140, 489063), (210, 326042), (420, 163021)]