81093780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1753}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 247082472

約数和(自身を除く): 165988692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 1753, 2313, 2570, 3084, 3506, 3855, 4626, 5140, 5259, 7012, 7710, 8765, 9252, 10518, 11565, 15420, 15777, 17530, 21036, 23130, 26295, 31554, 35060, 46260, 52590, 63108, 78885, 105180, 157770, 315540, 450521, 901042, 1351563, 1802084, 2252605, 2703126, 4054689, 4505210, 5406252, 6757815, 8109378, 9010420, 13515630, 16218756, 20273445, 27031260, 40546890, 81093780]

約数ペア:

[(1, 81093780), (2, 40546890), (3, 27031260), (4, 20273445), (5, 16218756), (6, 13515630), (9, 9010420), (10, 8109378), (12, 6757815), (15, 5406252), (18, 4505210), (20, 4054689), (30, 2703126), (36, 2252605), (45, 1802084), (60, 1351563), (90, 901042), (180, 450521), (257, 315540), (514, 157770), (771, 105180), (1028, 78885), (1285, 63108), (1542, 52590), (1753, 46260), (2313, 35060), (2570, 31554), (3084, 26295), (3506, 23130), (3855, 21036), (4626, 17530), (5140, 15777), (5259, 15420), (7012, 11565), (7710, 10518), (8765, 9252)]