66227200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 132

約数和(自身を含む): 177679600

約数和(自身を除く): 111452400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 199, 200, 208, 256, 260, 320, 325, 398, 400, 416, 512, 520, 640, 650, 796, 800, 832, 995, 1024, 1040, 1280, 1300, 1592, 1600, 1664, 1990, 2080, 2560, 2587, 2600, 3184, 3200, 3328, 3980, 4160, 4975, 5120, 5174, 5200, 6368, 6400, 6656, 7960, 8320, 9950, 10348, 10400, 12736, 12800, 12935, 13312, 15920, 16640, 19900, 20696, 20800, 25472, 25600, 25870, 31840, 33280, 39800, 41392, 41600, 50944, 51740, 63680, 64675, 66560, 79600, 82784, 83200, 101888, 103480, 127360, 129350, 159200, 165568, 166400, 203776, 206960, 254720, 258700, 318400, 331136, 332800, 413920, 509440, 517400, 636800, 662272, 827840, 1018880, 1034800, 1273600, 1324544, 1655680, 2069600, 2547200, 2649088, 3311360, 4139200, 5094400, 6622720, 8278400, 13245440, 16556800, 33113600, 66227200]

約数ペア:

[(1, 66227200), (2, 33113600), (4, 16556800), (5, 13245440), (8, 8278400), (10, 6622720), (13, 5094400), (16, 4139200), (20, 3311360), (25, 2649088), (26, 2547200), (32, 2069600), (40, 1655680), (50, 1324544), (52, 1273600), (64, 1034800), (65, 1018880), (80, 827840), (100, 662272), (104, 636800), (128, 517400), (130, 509440), (160, 413920), (199, 332800), (200, 331136), (208, 318400), (256, 258700), (260, 254720), (320, 206960), (325, 203776), (398, 166400), (400, 165568), (416, 159200), (512, 129350), (520, 127360), (640, 103480), (650, 101888), (796, 83200), (800, 82784), (832, 79600), (995, 66560), (1024, 64675), (1040, 63680), (1280, 51740), (1300, 50944), (1592, 41600), (1600, 41392), (1664, 39800), (1990, 33280), (2080, 31840), (2560, 25870), (2587, 25600), (2600, 25472), (3184, 20800), (3200, 20696), (3328, 19900), (3980, 16640), (4160, 15920), (4975, 13312), (5120, 12935), (5174, 12800), (5200, 12736), (6368, 10400), (6400, 10348), (6656, 9950), (7960, 8320)]