78785280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:1011

約数の個数: 216

約数和(自身を含む): 311848992

約数和(自身を除く): 233063712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 977, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1954, 2016, 2240, 2304, 2520, 2688, 2880, 2931, 3360, 3840, 3908, 4032, 4480, 4885, 5040, 5376, 5760, 5862, 6720, 6839, 7816, 8064, 8793, 8960, 9770, 10080, 11520, 11724, 13440, 13678, 14655, 15632, 16128, 17586, 19540, 20160, 20517, 23448, 26880, 27356, 29310, 31264, 34195, 35172, 39080, 40320, 41034, 43965, 46896, 54712, 58620, 61551, 62528, 68390, 70344, 78160, 80640, 82068, 87930, 93792, 102585, 109424, 117240, 123102, 125056, 136780, 140688, 156320, 164136, 175860, 187584, 205170, 218848, 234480, 246204, 250112, 273560, 281376, 307755, 312640, 328272, 351720, 375168, 410340, 437696, 468960, 492408, 547120, 562752, 615510, 625280, 656544, 703440, 750336, 820680, 875392, 937920, 984816, 1094240, 1125504, 1231020, 1250560, 1313088, 1406880, 1641360, 1750784, 1875840, 1969632, 2188480, 2251008, 2462040, 2626176, 2813760, 3282720, 3751680, 3939264, 4376960, 4924080, 5252352, 5627520, 6565440, 7878528, 8753920, 9848160, 11255040, 13130880, 15757056, 19696320, 26261760, 39392640, 78785280]

約数ペア:

[(1, 78785280), (2, 39392640), (3, 26261760), (4, 19696320), (5, 15757056), (6, 13130880), (7, 11255040), (8, 9848160), (9, 8753920), (10, 7878528), (12, 6565440), (14, 5627520), (15, 5252352), (16, 4924080), (18, 4376960), (20, 3939264), (21, 3751680), (24, 3282720), (28, 2813760), (30, 2626176), (32, 2462040), (35, 2251008), (36, 2188480), (40, 1969632), (42, 1875840), (45, 1750784), (48, 1641360), (56, 1406880), (60, 1313088), (63, 1250560), (64, 1231020), (70, 1125504), (72, 1094240), (80, 984816), (84, 937920), (90, 875392), (96, 820680), (105, 750336), (112, 703440), (120, 656544), (126, 625280), (128, 615510), (140, 562752), (144, 547120), (160, 492408), (168, 468960), (180, 437696), (192, 410340), (210, 375168), (224, 351720), (240, 328272), (252, 312640), (256, 307755), (280, 281376), (288, 273560), (315, 250112), (320, 246204), (336, 234480), (360, 218848), (384, 205170), (420, 187584), (448, 175860), (480, 164136), (504, 156320), (560, 140688), (576, 136780), (630, 125056), (640, 123102), (672, 117240), (720, 109424), (768, 102585), (840, 93792), (896, 87930), (960, 82068), (977, 80640), (1008, 78160), (1120, 70344), (1152, 68390), (1260, 62528), (1280, 61551), (1344, 58620), (1440, 54712), (1680, 46896), (1792, 43965), (1920, 41034), (1954, 40320), (2016, 39080), (2240, 35172), (2304, 34195), (2520, 31264), (2688, 29310), (2880, 27356), (2931, 26880), (3360, 23448), (3840, 20517), (3908, 20160), (4032, 19540), (4480, 17586), (4885, 16128), (5040, 15632), (5376, 14655), (5760, 13678), (5862, 13440), (6720, 11724), (6839, 11520), (7816, 10080), (8064, 9770), (8793, 8960)]