15012520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4317

約数の個数: 32

約数和(自身を含む): 34165800

約数和(自身を除く): 19153280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4217, 8434, 16868, 21085, 33736, 42170, 84340, 168680, 375313, 750626, 1501252, 1876565, 3002504, 3753130, 7506260, 15012520]

約数ペア:

[(1, 15012520), (2, 7506260), (4, 3753130), (5, 3002504), (8, 1876565), (10, 1501252), (20, 750626), (40, 375313), (89, 168680), (178, 84340), (356, 42170), (445, 33736), (712, 21085), (890, 16868), (1780, 8434), (3560, 4217)]