80319540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191237}}^1$

素因数の和:191256

約数の個数: 48

約数和(自身を含む): 257023872

約数和(自身を除く): 176704332

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, 191237, 382474, 573711, 764948, 956185, 1147422, 1338659, 1912370, 2294844, 2677318, 2868555, 3824740, 4015977, 5354636, 5737110, 6693295, 8031954, 11474220, 13386590, 16063908, 20079885, 26773180, 40159770, 80319540]

約数ペア:

[(1, 80319540), (2, 40159770), (3, 26773180), (4, 20079885), (5, 16063908), (6, 13386590), (7, 11474220), (10, 8031954), (12, 6693295), (14, 5737110), (15, 5354636), (20, 4015977), (21, 3824740), (28, 2868555), (30, 2677318), (35, 2294844), (42, 1912370), (60, 1338659), (70, 1147422), (84, 956185), (105, 764948), (140, 573711), (210, 382474), (420, 191237)]