2620520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 6912000

約数和(自身を除く): 4291480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 191, 196, 245, 280, 343, 382, 392, 490, 686, 764, 955, 980, 1337, 1372, 1528, 1715, 1910, 1960, 2674, 2744, 3430, 3820, 5348, 6685, 6860, 7640, 9359, 10696, 13370, 13720, 18718, 26740, 37436, 46795, 53480, 65513, 74872, 93590, 131026, 187180, 262052, 327565, 374360, 524104, 655130, 1310260, 2620520]

約数ペア:

[(1, 2620520), (2, 1310260), (4, 655130), (5, 524104), (7, 374360), (8, 327565), (10, 262052), (14, 187180), (20, 131026), (28, 93590), (35, 74872), (40, 65513), (49, 53480), (56, 46795), (70, 37436), (98, 26740), (140, 18718), (191, 13720), (196, 13370), (245, 10696), (280, 9359), (343, 7640), (382, 6860), (392, 6685), (490, 5348), (686, 3820), (764, 3430), (955, 2744), (980, 2674), (1337, 1960), (1372, 1910), (1528, 1715)]