13473040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 80

約数和(自身を含む): 36604800

約数和(自身を除く): 23131760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 491, 560, 686, 784, 980, 982, 1372, 1715, 1960, 1964, 2455, 2744, 3430, 3437, 3920, 3928, 4910, 5488, 6860, 6874, 7856, 9820, 13720, 13748, 17185, 19640, 24059, 27440, 27496, 34370, 39280, 48118, 54992, 68740, 96236, 120295, 137480, 168413, 192472, 240590, 274960, 336826, 384944, 481180, 673652, 842065, 962360, 1347304, 1684130, 1924720, 2694608, 3368260, 6736520, 13473040]

約数ペア:

[(1, 13473040), (2, 6736520), (4, 3368260), (5, 2694608), (7, 1924720), (8, 1684130), (10, 1347304), (14, 962360), (16, 842065), (20, 673652), (28, 481180), (35, 384944), (40, 336826), (49, 274960), (56, 240590), (70, 192472), (80, 168413), (98, 137480), (112, 120295), (140, 96236), (196, 68740), (245, 54992), (280, 48118), (343, 39280), (392, 34370), (490, 27496), (491, 27440), (560, 24059), (686, 19640), (784, 17185), (980, 13748), (982, 13720), (1372, 9820), (1715, 7856), (1960, 6874), (1964, 6860), (2455, 5488), (2744, 4910), (3430, 3928), (3437, 3920)]