638144000

素因数分解:

$2^9\times 5^3\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 1752276240

約数和(自身を除く): 1114132240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 59, 64, 65, 80, 100, 104, 118, 125, 128, 130, 160, 169, 200, 208, 236, 250, 256, 260, 295, 320, 325, 338, 400, 416, 472, 500, 512, 520, 590, 640, 650, 676, 767, 800, 832, 845, 944, 1000, 1040, 1180, 1280, 1300, 1352, 1475, 1534, 1600, 1625, 1664, 1690, 1888, 2000, 2080, 2360, 2560, 2600, 2704, 2950, 3068, 3200, 3250, 3328, 3380, 3776, 3835, 4000, 4160, 4225, 4720, 5200, 5408, 5900, 6136, 6400, 6500, 6656, 6760, 7375, 7552, 7670, 8000, 8320, 8450, 9440, 9971, 10400, 10816, 11800, 12272, 12800, 13000, 13520, 14750, 15104, 15340, 16000, 16640, 16900, 18880, 19175, 19942, 20800, 21125, 21632, 23600, 24544, 26000, 27040, 29500, 30208, 30680, 32000, 33280, 33800, 37760, 38350, 39884, 41600, 42250, 43264, 47200, 49088, 49855, 52000, 54080, 59000, 61360, 64000, 67600, 75520, 76700, 79768, 83200, 84500, 86528, 94400, 95875, 98176, 99710, 104000, 108160, 118000, 122720, 135200, 151040, 153400, 159536, 166400, 169000, 188800, 191750, 196352, 199420, 208000, 216320, 236000, 245440, 249275, 270400, 306800, 319072, 338000, 377600, 383500, 392704, 398840, 416000, 432640, 472000, 490880, 498550, 540800, 613600, 638144, 676000, 755200, 767000, 797680, 832000, 944000, 981760, 997100, 1081600, 1227200, 1246375, 1276288, 1352000, 1534000, 1595360, 1888000, 1963520, 1994200, 2163200, 2454400, 2492750, 2552576, 2704000, 3068000, 3190720, 3776000, 3988400, 4908800, 4985500, 5105152, 5408000, 6136000, 6381440, 7976800, 9817600, 9971000, 10816000, 12272000, 12762880, 15953600, 19942000, 24544000, 25525760, 31907200, 39884000, 49088000, 63814400, 79768000, 127628800, 159536000, 319072000, 638144000]

約数ペア:

[(1, 638144000), (2, 319072000), (4, 159536000), (5, 127628800), (8, 79768000), (10, 63814400), (13, 49088000), (16, 39884000), (20, 31907200), (25, 25525760), (26, 24544000), (32, 19942000), (40, 15953600), (50, 12762880), (52, 12272000), (59, 10816000), (64, 9971000), (65, 9817600), (80, 7976800), (100, 6381440), (104, 6136000), (118, 5408000), (125, 5105152), (128, 4985500), (130, 4908800), (160, 3988400), (169, 3776000), (200, 3190720), (208, 3068000), (236, 2704000), (250, 2552576), (256, 2492750), (260, 2454400), (295, 2163200), (320, 1994200), (325, 1963520), (338, 1888000), (400, 1595360), (416, 1534000), (472, 1352000), (500, 1276288), (512, 1246375), (520, 1227200), (590, 1081600), (640, 997100), (650, 981760), (676, 944000), (767, 832000), (800, 797680), (832, 767000), (845, 755200), (944, 676000), (1000, 638144), (1040, 613600), (1180, 540800), (1280, 498550), (1300, 490880), (1352, 472000), (1475, 432640), (1534, 416000), (1600, 398840), (1625, 392704), (1664, 383500), (1690, 377600), (1888, 338000), (2000, 319072), (2080, 306800), (2360, 270400), (2560, 249275), (2600, 245440), (2704, 236000), (2950, 216320), (3068, 208000), (3200, 199420), (3250, 196352), (3328, 191750), (3380, 188800), (3776, 169000), (3835, 166400), (4000, 159536), (4160, 153400), (4225, 151040), (4720, 135200), (5200, 122720), (5408, 118000), (5900, 108160), (6136, 104000), (6400, 99710), (6500, 98176), (6656, 95875), (6760, 94400), (7375, 86528), (7552, 84500), (7670, 83200), (8000, 79768), (8320, 76700), (8450, 75520), (9440, 67600), (9971, 64000), (10400, 61360), (10816, 59000), (11800, 54080), (12272, 52000), (12800, 49855), (13000, 49088), (13520, 47200), (14750, 43264), (15104, 42250), (15340, 41600), (16000, 39884), (16640, 38350), (16900, 37760), (18880, 33800), (19175, 33280), (19942, 32000), (20800, 30680), (21125, 30208), (21632, 29500), (23600, 27040), (24544, 26000)]