123707120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15013}}^1$

素因数の和:15129

約数の個数: 40

約数和(自身を含む): 290430816

約数和(自身を除く): 166723696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 15013, 30026, 60052, 75065, 120104, 150130, 240208, 300260, 600520, 1201040, 1546339, 3092678, 6185356, 7731695, 12370712, 15463390, 24741424, 30926780, 61853560, 123707120]

約数ペア:

[(1, 123707120), (2, 61853560), (4, 30926780), (5, 24741424), (8, 15463390), (10, 12370712), (16, 7731695), (20, 6185356), (40, 3092678), (80, 1546339), (103, 1201040), (206, 600520), (412, 300260), (515, 240208), (824, 150130), (1030, 120104), (1648, 75065), (2060, 60052), (4120, 30026), (8240, 15013)]