280147245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 537698304

約数和(自身を除く): 257551059

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 311, 345, 373, 483, 805, 933, 1119, 1555, 1865, 2177, 2415, 2611, 4665, 5595, 6531, 7153, 7833, 8579, 10885, 13055, 21459, 25737, 32655, 35765, 39165, 42895, 50071, 60053, 107295, 116003, 128685, 150213, 180159, 250355, 300265, 348009, 580015, 751065, 812021, 900795, 1740045, 2436063, 2668069, 4060105, 8004207, 12180315, 13340345, 18676483, 40021035, 56029449, 93382415, 280147245]

約数ペア:

[(1, 280147245), (3, 93382415), (5, 56029449), (7, 40021035), (15, 18676483), (21, 13340345), (23, 12180315), (35, 8004207), (69, 4060105), (105, 2668069), (115, 2436063), (161, 1740045), (311, 900795), (345, 812021), (373, 751065), (483, 580015), (805, 348009), (933, 300265), (1119, 250355), (1555, 180159), (1865, 150213), (2177, 128685), (2415, 116003), (2611, 107295), (4665, 60053), (5595, 50071), (6531, 42895), (7153, 39165), (7833, 35765), (8579, 32655), (10885, 25737), (13055, 21459)]