68556800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 184831920

約数和(自身を除く): 116275120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 103, 104, 128, 130, 160, 200, 206, 208, 256, 260, 320, 325, 400, 412, 416, 512, 515, 520, 640, 650, 800, 824, 832, 1024, 1030, 1040, 1280, 1300, 1339, 1600, 1648, 1664, 2048, 2060, 2080, 2560, 2575, 2600, 2678, 3200, 3296, 3328, 4120, 4160, 5120, 5150, 5200, 5356, 6400, 6592, 6656, 6695, 8240, 8320, 10240, 10300, 10400, 10712, 12800, 13184, 13312, 13390, 16480, 16640, 20600, 20800, 21424, 25600, 26368, 26624, 26780, 32960, 33280, 33475, 41200, 41600, 42848, 51200, 52736, 53560, 65920, 66560, 66950, 82400, 83200, 85696, 105472, 107120, 131840, 133120, 133900, 164800, 166400, 171392, 210944, 214240, 263680, 267800, 329600, 332800, 342784, 428480, 527360, 535600, 659200, 665600, 685568, 856960, 1054720, 1071200, 1318400, 1371136, 1713920, 2142400, 2636800, 2742272, 3427840, 4284800, 5273600, 6855680, 8569600, 13711360, 17139200, 34278400, 68556800]

約数ペア:

[(1, 68556800), (2, 34278400), (4, 17139200), (5, 13711360), (8, 8569600), (10, 6855680), (13, 5273600), (16, 4284800), (20, 3427840), (25, 2742272), (26, 2636800), (32, 2142400), (40, 1713920), (50, 1371136), (52, 1318400), (64, 1071200), (65, 1054720), (80, 856960), (100, 685568), (103, 665600), (104, 659200), (128, 535600), (130, 527360), (160, 428480), (200, 342784), (206, 332800), (208, 329600), (256, 267800), (260, 263680), (320, 214240), (325, 210944), (400, 171392), (412, 166400), (416, 164800), (512, 133900), (515, 133120), (520, 131840), (640, 107120), (650, 105472), (800, 85696), (824, 83200), (832, 82400), (1024, 66950), (1030, 66560), (1040, 65920), (1280, 53560), (1300, 52736), (1339, 51200), (1600, 42848), (1648, 41600), (1664, 41200), (2048, 33475), (2060, 33280), (2080, 32960), (2560, 26780), (2575, 26624), (2600, 26368), (2678, 25600), (3200, 21424), (3296, 20800), (3328, 20600), (4120, 16640), (4160, 16480), (5120, 13390), (5150, 13312), (5200, 13184), (5356, 12800), (6400, 10712), (6592, 10400), (6656, 10300), (6695, 10240), (8240, 8320)]