204522080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 144

約数和(自身を含む): 592084080

約数和(自身を除く): 387562000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1373, 1520, 1568, 1862, 1960, 2128, 2660, 2746, 3040, 3724, 3920, 4256, 4655, 5320, 5492, 6865, 7448, 7840, 9310, 9611, 10640, 10984, 13730, 14896, 18620, 19222, 21280, 21968, 26087, 27460, 29792, 37240, 38444, 43936, 48055, 52174, 54920, 67277, 74480, 76888, 96110, 104348, 109840, 130435, 134554, 148960, 153776, 182609, 192220, 208696, 219680, 260870, 269108, 307552, 336385, 365218, 384440, 417392, 521740, 538216, 672770, 730436, 768880, 834784, 913045, 1043480, 1076432, 1278263, 1345540, 1460872, 1537760, 1826090, 2086960, 2152864, 2556526, 2691080, 2921744, 3652180, 4173920, 5113052, 5382160, 5843488, 6391315, 7304360, 10226104, 10764320, 12782630, 14608720, 20452208, 25565260, 29217440, 40904416, 51130520, 102261040, 204522080]

約数ペア:

[(1, 204522080), (2, 102261040), (4, 51130520), (5, 40904416), (7, 29217440), (8, 25565260), (10, 20452208), (14, 14608720), (16, 12782630), (19, 10764320), (20, 10226104), (28, 7304360), (32, 6391315), (35, 5843488), (38, 5382160), (40, 5113052), (49, 4173920), (56, 3652180), (70, 2921744), (76, 2691080), (80, 2556526), (95, 2152864), (98, 2086960), (112, 1826090), (133, 1537760), (140, 1460872), (152, 1345540), (160, 1278263), (190, 1076432), (196, 1043480), (224, 913045), (245, 834784), (266, 768880), (280, 730436), (304, 672770), (380, 538216), (392, 521740), (490, 417392), (532, 384440), (560, 365218), (608, 336385), (665, 307552), (760, 269108), (784, 260870), (931, 219680), (980, 208696), (1064, 192220), (1120, 182609), (1330, 153776), (1373, 148960), (1520, 134554), (1568, 130435), (1862, 109840), (1960, 104348), (2128, 96110), (2660, 76888), (2746, 74480), (3040, 67277), (3724, 54920), (3920, 52174), (4256, 48055), (4655, 43936), (5320, 38444), (5492, 37240), (6865, 29792), (7448, 27460), (7840, 26087), (9310, 21968), (9611, 21280), (10640, 19222), (10984, 18620), (13730, 14896)]