278720000

素因数分解:

$2^9\times 5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 200

約数和(自身を含む): 760612776

約数和(自身を除く): 481892776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 67, 80, 100, 104, 125, 128, 130, 134, 160, 200, 208, 250, 256, 260, 268, 320, 325, 335, 400, 416, 500, 512, 520, 536, 625, 640, 650, 670, 800, 832, 871, 1000, 1040, 1072, 1250, 1280, 1300, 1340, 1600, 1625, 1664, 1675, 1742, 2000, 2080, 2144, 2500, 2560, 2600, 2680, 3200, 3250, 3328, 3350, 3484, 4000, 4160, 4288, 4355, 5000, 5200, 5360, 6400, 6500, 6656, 6700, 6968, 8000, 8125, 8320, 8375, 8576, 8710, 10000, 10400, 10720, 12800, 13000, 13400, 13936, 16000, 16250, 16640, 16750, 17152, 17420, 20000, 20800, 21440, 21775, 26000, 26800, 27872, 32000, 32500, 33280, 33500, 34304, 34840, 40000, 41600, 41875, 42880, 43550, 52000, 53600, 55744, 64000, 65000, 67000, 69680, 80000, 83200, 83750, 85760, 87100, 104000, 107200, 108875, 111488, 130000, 134000, 139360, 160000, 166400, 167500, 171520, 174200, 208000, 214400, 217750, 222976, 260000, 268000, 278720, 320000, 335000, 348400, 416000, 428800, 435500, 445952, 520000, 536000, 544375, 557440, 670000, 696800, 832000, 857600, 871000, 1040000, 1072000, 1088750, 1114880, 1340000, 1393600, 1742000, 2080000, 2144000, 2177500, 2229760, 2680000, 2787200, 3484000, 4160000, 4288000, 4355000, 5360000, 5574400, 6968000, 8710000, 10720000, 11148800, 13936000, 17420000, 21440000, 27872000, 34840000, 55744000, 69680000, 139360000, 278720000]

約数ペア:

[(1, 278720000), (2, 139360000), (4, 69680000), (5, 55744000), (8, 34840000), (10, 27872000), (13, 21440000), (16, 17420000), (20, 13936000), (25, 11148800), (26, 10720000), (32, 8710000), (40, 6968000), (50, 5574400), (52, 5360000), (64, 4355000), (65, 4288000), (67, 4160000), (80, 3484000), (100, 2787200), (104, 2680000), (125, 2229760), (128, 2177500), (130, 2144000), (134, 2080000), (160, 1742000), (200, 1393600), (208, 1340000), (250, 1114880), (256, 1088750), (260, 1072000), (268, 1040000), (320, 871000), (325, 857600), (335, 832000), (400, 696800), (416, 670000), (500, 557440), (512, 544375), (520, 536000), (536, 520000), (625, 445952), (640, 435500), (650, 428800), (670, 416000), (800, 348400), (832, 335000), (871, 320000), (1000, 278720), (1040, 268000), (1072, 260000), (1250, 222976), (1280, 217750), (1300, 214400), (1340, 208000), (1600, 174200), (1625, 171520), (1664, 167500), (1675, 166400), (1742, 160000), (2000, 139360), (2080, 134000), (2144, 130000), (2500, 111488), (2560, 108875), (2600, 107200), (2680, 104000), (3200, 87100), (3250, 85760), (3328, 83750), (3350, 83200), (3484, 80000), (4000, 69680), (4160, 67000), (4288, 65000), (4355, 64000), (5000, 55744), (5200, 53600), (5360, 52000), (6400, 43550), (6500, 42880), (6656, 41875), (6700, 41600), (6968, 40000), (8000, 34840), (8125, 34304), (8320, 33500), (8375, 33280), (8576, 32500), (8710, 32000), (10000, 27872), (10400, 26800), (10720, 26000), (12800, 21775), (13000, 21440), (13400, 20800), (13936, 20000), (16000, 17420), (16250, 17152), (16640, 16750)]