161527520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1873}}^1$

素因数の和:1913

約数の個数: 144

約数和(自身を含む): 484526448

約数和(自身を除く): 322998928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1873, 1960, 2156, 2464, 2695, 3080, 3746, 3920, 4312, 5390, 6160, 7492, 7840, 8624, 9365, 10780, 12320, 13111, 14984, 17248, 18730, 20603, 21560, 26222, 29968, 37460, 41206, 43120, 52444, 59936, 65555, 74920, 82412, 86240, 91777, 103015, 104888, 131110, 144221, 149840, 164824, 183554, 206030, 209776, 262220, 288442, 299680, 329648, 367108, 412060, 419552, 458885, 524440, 576884, 659296, 721105, 734216, 824120, 917770, 1009547, 1048880, 1153768, 1442210, 1468432, 1648240, 1835540, 2019094, 2097760, 2307536, 2884420, 2936864, 3296480, 3671080, 4038188, 4615072, 5047735, 5768840, 7342160, 8076376, 10095470, 11537680, 14684320, 16152752, 20190940, 23075360, 32305504, 40381880, 80763760, 161527520]

約数ペア:

[(1, 161527520), (2, 80763760), (4, 40381880), (5, 32305504), (7, 23075360), (8, 20190940), (10, 16152752), (11, 14684320), (14, 11537680), (16, 10095470), (20, 8076376), (22, 7342160), (28, 5768840), (32, 5047735), (35, 4615072), (40, 4038188), (44, 3671080), (49, 3296480), (55, 2936864), (56, 2884420), (70, 2307536), (77, 2097760), (80, 2019094), (88, 1835540), (98, 1648240), (110, 1468432), (112, 1442210), (140, 1153768), (154, 1048880), (160, 1009547), (176, 917770), (196, 824120), (220, 734216), (224, 721105), (245, 659296), (280, 576884), (308, 524440), (352, 458885), (385, 419552), (392, 412060), (440, 367108), (490, 329648), (539, 299680), (560, 288442), (616, 262220), (770, 209776), (784, 206030), (880, 183554), (980, 164824), (1078, 149840), (1120, 144221), (1232, 131110), (1540, 104888), (1568, 103015), (1760, 91777), (1873, 86240), (1960, 82412), (2156, 74920), (2464, 65555), (2695, 59936), (3080, 52444), (3746, 43120), (3920, 41206), (4312, 37460), (5390, 29968), (6160, 26222), (7492, 21560), (7840, 20603), (8624, 18730), (9365, 17248), (10780, 14984), (12320, 13111)]