15089720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1213}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 34089120

約数和(自身を除く): 18999400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1213, 1244, 1555, 2426, 2488, 3110, 4852, 6065, 6220, 9704, 12130, 12440, 24260, 48520, 377243, 754486, 1508972, 1886215, 3017944, 3772430, 7544860, 15089720]

約数ペア:

[(1, 15089720), (2, 7544860), (4, 3772430), (5, 3017944), (8, 1886215), (10, 1508972), (20, 754486), (40, 377243), (311, 48520), (622, 24260), (1213, 12440), (1244, 12130), (1555, 9704), (2426, 6220), (2488, 6065), (3110, 4852)]