129877740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1607}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 395085600

約数和(自身を除く): 265207860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1607, 1796, 2245, 2694, 3214, 4041, 4490, 4821, 5388, 6428, 6735, 8035, 8082, 8980, 9642, 13470, 14463, 16070, 16164, 19284, 20205, 24105, 26940, 28926, 32140, 40410, 48210, 57852, 72315, 80820, 96420, 144630, 289260, 721543, 1443086, 2164629, 2886172, 3607715, 4329258, 6493887, 7215430, 8658516, 10823145, 12987774, 14430860, 21646290, 25975548, 32469435, 43292580, 64938870, 129877740]

約数ペア:

[(1, 129877740), (2, 64938870), (3, 43292580), (4, 32469435), (5, 25975548), (6, 21646290), (9, 14430860), (10, 12987774), (12, 10823145), (15, 8658516), (18, 7215430), (20, 6493887), (30, 4329258), (36, 3607715), (45, 2886172), (60, 2164629), (90, 1443086), (180, 721543), (449, 289260), (898, 144630), (1347, 96420), (1607, 80820), (1796, 72315), (2245, 57852), (2694, 48210), (3214, 40410), (4041, 32140), (4490, 28926), (4821, 26940), (5388, 24105), (6428, 20205), (6735, 19284), (8035, 16164), (8082, 16070), (8980, 14463), (9642, 13470)]