72744520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21911}}^1$

素因数の和:22005

約数の個数: 32

約数和(自身を含む): 165654720

約数和(自身を除く): 92910200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21911, 43822, 87644, 109555, 175288, 219110, 438220, 876440, 1818613, 3637226, 7274452, 9093065, 14548904, 18186130, 36372260, 72744520]

約数ペア:

[(1, 72744520), (2, 36372260), (4, 18186130), (5, 14548904), (8, 9093065), (10, 7274452), (20, 3637226), (40, 1818613), (83, 876440), (166, 438220), (332, 219110), (415, 175288), (664, 109555), (830, 87644), (1660, 43822), (3320, 21911)]