328688080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 895656960

約数和(自身を除く): 566968880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 191, 196, 245, 280, 382, 392, 439, 490, 560, 764, 784, 878, 955, 980, 1337, 1528, 1756, 1910, 1960, 2195, 2674, 3056, 3073, 3512, 3820, 3920, 4390, 5348, 6146, 6685, 7024, 7640, 8780, 9359, 10696, 12292, 13370, 15280, 15365, 17560, 18718, 21392, 21511, 24584, 26740, 30730, 35120, 37436, 43022, 46795, 49168, 53480, 61460, 74872, 83849, 86044, 93590, 106960, 107555, 122920, 149744, 167698, 172088, 187180, 215110, 245840, 335396, 344176, 374360, 419245, 430220, 586943, 670792, 748720, 838490, 860440, 1173886, 1341584, 1676980, 1720880, 2347772, 2934715, 3353960, 4108601, 4695544, 5869430, 6707920, 8217202, 9391088, 11738860, 16434404, 20543005, 23477720, 32868808, 41086010, 46955440, 65737616, 82172020, 164344040, 328688080]

約数ペア:

[(1, 328688080), (2, 164344040), (4, 82172020), (5, 65737616), (7, 46955440), (8, 41086010), (10, 32868808), (14, 23477720), (16, 20543005), (20, 16434404), (28, 11738860), (35, 9391088), (40, 8217202), (49, 6707920), (56, 5869430), (70, 4695544), (80, 4108601), (98, 3353960), (112, 2934715), (140, 2347772), (191, 1720880), (196, 1676980), (245, 1341584), (280, 1173886), (382, 860440), (392, 838490), (439, 748720), (490, 670792), (560, 586943), (764, 430220), (784, 419245), (878, 374360), (955, 344176), (980, 335396), (1337, 245840), (1528, 215110), (1756, 187180), (1910, 172088), (1960, 167698), (2195, 149744), (2674, 122920), (3056, 107555), (3073, 106960), (3512, 93590), (3820, 86044), (3920, 83849), (4390, 74872), (5348, 61460), (6146, 53480), (6685, 49168), (7024, 46795), (7640, 43022), (8780, 37436), (9359, 35120), (10696, 30730), (12292, 26740), (13370, 24584), (15280, 21511), (15365, 21392), (17560, 18718)]