161561040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1907}}^1$

素因数の和:2276

約数の個数: 80

約数和(自身を含む): 502521408

約数和(自身を除く): 340960368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 353, 706, 1059, 1412, 1765, 1907, 2118, 2824, 3530, 3814, 4236, 5295, 5648, 5721, 7060, 7628, 8472, 9535, 10590, 11442, 14120, 15256, 16944, 19070, 21180, 22884, 28240, 28605, 30512, 38140, 42360, 45768, 57210, 76280, 84720, 91536, 114420, 152560, 228840, 457680, 673171, 1346342, 2019513, 2692684, 3365855, 4039026, 5385368, 6731710, 8078052, 10097565, 10770736, 13463420, 16156104, 20195130, 26926840, 32312208, 40390260, 53853680, 80780520, 161561040]

約数ペア:

[(1, 161561040), (2, 80780520), (3, 53853680), (4, 40390260), (5, 32312208), (6, 26926840), (8, 20195130), (10, 16156104), (12, 13463420), (15, 10770736), (16, 10097565), (20, 8078052), (24, 6731710), (30, 5385368), (40, 4039026), (48, 3365855), (60, 2692684), (80, 2019513), (120, 1346342), (240, 673171), (353, 457680), (706, 228840), (1059, 152560), (1412, 114420), (1765, 91536), (1907, 84720), (2118, 76280), (2824, 57210), (3530, 45768), (3814, 42360), (4236, 38140), (5295, 30512), (5648, 28605), (5721, 28240), (7060, 22884), (7628, 21180), (8472, 19070), (9535, 16944), (10590, 15256), (11442, 14120)]