15870880

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 37734984

約数和(自身を除く): 21864104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 353, 562, 706, 1124, 1405, 1412, 1765, 2248, 2810, 2824, 3530, 4496, 5620, 5648, 7060, 8992, 11240, 11296, 14120, 22480, 28240, 44960, 56480, 99193, 198386, 396772, 495965, 793544, 991930, 1587088, 1983860, 3174176, 3967720, 7935440, 15870880]

約数ペア:

[(1, 15870880), (2, 7935440), (4, 3967720), (5, 3174176), (8, 1983860), (10, 1587088), (16, 991930), (20, 793544), (32, 495965), (40, 396772), (80, 198386), (160, 99193), (281, 56480), (353, 44960), (562, 28240), (706, 22480), (1124, 14120), (1405, 11296), (1412, 11240), (1765, 8992), (2248, 7060), (2810, 5648), (2824, 5620), (3530, 4496)]