121576980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289469}}^1$

素因数の和:289488

約数の個数: 48

約数和(自身を含む): 389047680

約数和(自身を除く): 267470700

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, 289469, 578938, 868407, 1157876, 1447345, 1736814, 2026283, 2894690, 3473628, 4052566, 4342035, 5789380, 6078849, 8105132, 8684070, 10131415, 12157698, 17368140, 20262830, 24315396, 30394245, 40525660, 60788490, 121576980]

約数ペア:

[(1, 121576980), (2, 60788490), (3, 40525660), (4, 30394245), (5, 24315396), (6, 20262830), (7, 17368140), (10, 12157698), (12, 10131415), (14, 8684070), (15, 8105132), (20, 6078849), (21, 5789380), (28, 4342035), (30, 4052566), (35, 3473628), (42, 2894690), (60, 2026283), (70, 1736814), (84, 1447345), (105, 1157876), (140, 868407), (210, 578938), (420, 289469)]