123740820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{98207}}^1$

素因数の和:98229

約数の個数: 72

約数和(自身を含む): 428972544

約数和(自身を除く): 305231724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 98207, 196414, 294621, 392828, 491035, 589242, 687449, 883863, 982070, 1178484, 1374898, 1473105, 1767726, 1964140, 2062347, 2749796, 2946210, 3437245, 3535452, 4124694, 4419315, 5892420, 6187041, 6874490, 8249388, 8838630, 10311735, 12374082, 13748980, 17677260, 20623470, 24748164, 30935205, 41246940, 61870410, 123740820]

約数ペア:

[(1, 123740820), (2, 61870410), (3, 41246940), (4, 30935205), (5, 24748164), (6, 20623470), (7, 17677260), (9, 13748980), (10, 12374082), (12, 10311735), (14, 8838630), (15, 8249388), (18, 6874490), (20, 6187041), (21, 5892420), (28, 4419315), (30, 4124694), (35, 3535452), (36, 3437245), (42, 2946210), (45, 2749796), (60, 2062347), (63, 1964140), (70, 1767726), (84, 1473105), (90, 1374898), (105, 1178484), (126, 982070), (140, 883863), (180, 687449), (210, 589242), (252, 491035), (315, 392828), (420, 294621), (630, 196414), (1260, 98207)]