127628800

素因数分解:

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

素因数の和:113

約数の個数: 180

約数和(自身を含む): 348208740

約数和(自身を除く): 220579940

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, 128, 130, 160, 169, 200, 208, 236, 256, 260, 295, 320, 325, 338, 400, 416, 472, 512, 520, 590, 640, 650, 676, 767, 800, 832, 845, 944, 1040, 1180, 1280, 1300, 1352, 1475, 1534, 1600, 1664, 1690, 1888, 2080, 2360, 2560, 2600, 2704, 2950, 3068, 3200, 3328, 3380, 3776, 3835, 4160, 4225, 4720, 5200, 5408, 5900, 6136, 6400, 6656, 6760, 7552, 7670, 8320, 8450, 9440, 9971, 10400, 10816, 11800, 12272, 12800, 13520, 15104, 15340, 16640, 16900, 18880, 19175, 19942, 20800, 21632, 23600, 24544, 27040, 30208, 30680, 33280, 33800, 37760, 38350, 39884, 41600, 43264, 47200, 49088, 49855, 54080, 61360, 67600, 75520, 76700, 79768, 83200, 86528, 94400, 98176, 99710, 108160, 122720, 135200, 151040, 153400, 159536, 166400, 188800, 196352, 199420, 216320, 245440, 249275, 270400, 306800, 319072, 377600, 392704, 398840, 432640, 490880, 498550, 540800, 613600, 638144, 755200, 797680, 981760, 997100, 1081600, 1227200, 1276288, 1595360, 1963520, 1994200, 2163200, 2454400, 2552576, 3190720, 3988400, 4908800, 5105152, 6381440, 7976800, 9817600, 12762880, 15953600, 25525760, 31907200, 63814400, 127628800]

約数ペア:

[(1, 127628800), (2, 63814400), (4, 31907200), (5, 25525760), (8, 15953600), (10, 12762880), (13, 9817600), (16, 7976800), (20, 6381440), (25, 5105152), (26, 4908800), (32, 3988400), (40, 3190720), (50, 2552576), (52, 2454400), (59, 2163200), (64, 1994200), (65, 1963520), (80, 1595360), (100, 1276288), (104, 1227200), (118, 1081600), (128, 997100), (130, 981760), (160, 797680), (169, 755200), (200, 638144), (208, 613600), (236, 540800), (256, 498550), (260, 490880), (295, 432640), (320, 398840), (325, 392704), (338, 377600), (400, 319072), (416, 306800), (472, 270400), (512, 249275), (520, 245440), (590, 216320), (640, 199420), (650, 196352), (676, 188800), (767, 166400), (800, 159536), (832, 153400), (845, 151040), (944, 135200), (1040, 122720), (1180, 108160), (1280, 99710), (1300, 98176), (1352, 94400), (1475, 86528), (1534, 83200), (1600, 79768), (1664, 76700), (1690, 75520), (1888, 67600), (2080, 61360), (2360, 54080), (2560, 49855), (2600, 49088), (2704, 47200), (2950, 43264), (3068, 41600), (3200, 39884), (3328, 38350), (3380, 37760), (3776, 33800), (3835, 33280), (4160, 30680), (4225, 30208), (4720, 27040), (5200, 24544), (5408, 23600), (5900, 21632), (6136, 20800), (6400, 19942), (6656, 19175), (6760, 18880), (7552, 16900), (7670, 16640), (8320, 15340), (8450, 15104), (9440, 13520), (9971, 12800), (10400, 12272), (10816, 11800)]