80780520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1907}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 243155520

約数和(自身を除く): 162375000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1765, 1907, 2118, 2824, 3530, 3814, 4236, 5295, 5721, 7060, 7628, 8472, 9535, 10590, 11442, 14120, 15256, 19070, 21180, 22884, 28605, 38140, 42360, 45768, 57210, 76280, 114420, 228840, 673171, 1346342, 2019513, 2692684, 3365855, 4039026, 5385368, 6731710, 8078052, 10097565, 13463420, 16156104, 20195130, 26926840, 40390260, 80780520]

約数ペア:

[(1, 80780520), (2, 40390260), (3, 26926840), (4, 20195130), (5, 16156104), (6, 13463420), (8, 10097565), (10, 8078052), (12, 6731710), (15, 5385368), (20, 4039026), (24, 3365855), (30, 2692684), (40, 2019513), (60, 1346342), (120, 673171), (353, 228840), (706, 114420), (1059, 76280), (1412, 57210), (1765, 45768), (1907, 42360), (2118, 38140), (2824, 28605), (3530, 22884), (3814, 21180), (4236, 19070), (5295, 15256), (5721, 14120), (7060, 11442), (7628, 10590), (8472, 9535)]