128082080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 216

約数和(自身を含む): 385113204

約数和(自身を除く): 257031124

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 112, 119, 124, 136, 140, 155, 160, 170, 196, 217, 224, 238, 245, 248, 272, 280, 310, 340, 392, 434, 476, 490, 496, 527, 544, 560, 595, 620, 680, 784, 833, 868, 952, 961, 980, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1519, 1568, 1666, 1736, 1904, 1922, 1960, 2108, 2170, 2380, 2480, 2635, 2720, 3038, 3332, 3472, 3689, 3808, 3844, 3920, 4165, 4216, 4340, 4760, 4805, 4960, 5270, 6076, 6664, 6727, 6944, 7378, 7595, 7688, 7840, 8330, 8432, 8680, 9520, 9610, 10540, 12152, 13328, 13454, 14756, 15190, 15376, 16337, 16660, 16864, 17360, 18445, 19040, 19220, 21080, 24304, 25823, 26656, 26908, 29512, 30380, 30752, 32674, 33320, 33635, 34720, 36890, 38440, 42160, 47089, 48608, 51646, 53816, 59024, 60760, 65348, 66640, 67270, 73780, 76880, 81685, 84320, 94178, 103292, 107632, 114359, 118048, 121520, 129115, 130696, 133280, 134540, 147560, 153760, 163370, 188356, 206584, 215264, 228718, 235445, 243040, 258230, 261392, 269080, 295120, 326740, 376712, 413168, 457436, 470890, 516460, 522784, 538160, 571795, 590240, 653480, 753424, 800513, 826336, 914872, 941780, 1032920, 1076320, 1143590, 1306960, 1506848, 1601026, 1829744, 1883560, 2065840, 2287180, 2613920, 3202052, 3659488, 3767120, 4002565, 4131680, 4574360, 6404104, 7534240, 8005130, 9148720, 12808208, 16010260, 18297440, 25616416, 32020520, 64041040, 128082080]

約数ペア:

[(1, 128082080), (2, 64041040), (4, 32020520), (5, 25616416), (7, 18297440), (8, 16010260), (10, 12808208), (14, 9148720), (16, 8005130), (17, 7534240), (20, 6404104), (28, 4574360), (31, 4131680), (32, 4002565), (34, 3767120), (35, 3659488), (40, 3202052), (49, 2613920), (56, 2287180), (62, 2065840), (68, 1883560), (70, 1829744), (80, 1601026), (85, 1506848), (98, 1306960), (112, 1143590), (119, 1076320), (124, 1032920), (136, 941780), (140, 914872), (155, 826336), (160, 800513), (170, 753424), (196, 653480), (217, 590240), (224, 571795), (238, 538160), (245, 522784), (248, 516460), (272, 470890), (280, 457436), (310, 413168), (340, 376712), (392, 326740), (434, 295120), (476, 269080), (490, 261392), (496, 258230), (527, 243040), (544, 235445), (560, 228718), (595, 215264), (620, 206584), (680, 188356), (784, 163370), (833, 153760), (868, 147560), (952, 134540), (961, 133280), (980, 130696), (992, 129115), (1054, 121520), (1085, 118048), (1120, 114359), (1190, 107632), (1240, 103292), (1360, 94178), (1519, 84320), (1568, 81685), (1666, 76880), (1736, 73780), (1904, 67270), (1922, 66640), (1960, 65348), (2108, 60760), (2170, 59024), (2380, 53816), (2480, 51646), (2635, 48608), (2720, 47089), (3038, 42160), (3332, 38440), (3472, 36890), (3689, 34720), (3808, 33635), (3844, 33320), (3920, 32674), (4165, 30752), (4216, 30380), (4340, 29512), (4760, 26908), (4805, 26656), (4960, 25823), (5270, 24304), (6076, 21080), (6664, 19220), (6727, 19040), (6944, 18445), (7378, 17360), (7595, 16864), (7688, 16660), (7840, 16337), (8330, 15376), (8432, 15190), (8680, 14756), (9520, 13454), (9610, 13328), (10540, 12152)]