12812800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:59

約数の個数: 240

約数和(自身を含む): 42622272

約数和(自身を除く): 29809472

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 32, 35, 40, 44, 50, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 100, 104, 110, 112, 128, 130, 140, 143, 154, 160, 175, 176, 182, 200, 208, 220, 224, 256, 260, 275, 280, 286, 308, 320, 325, 350, 352, 364, 385, 400, 416, 440, 448, 455, 512, 520, 550, 560, 572, 616, 640, 650, 700, 704, 715, 728, 770, 800, 832, 880, 896, 910, 1001, 1040, 1100, 1120, 1144, 1232, 1280, 1300, 1400, 1408, 1430, 1456, 1540, 1600, 1664, 1760, 1792, 1820, 1925, 2002, 2080, 2200, 2240, 2275, 2288, 2464, 2560, 2600, 2800, 2816, 2860, 2912, 3080, 3200, 3328, 3520, 3575, 3584, 3640, 3850, 4004, 4160, 4400, 4480, 4550, 4576, 4928, 5005, 5200, 5600, 5632, 5720, 5824, 6160, 6400, 6656, 7040, 7150, 7280, 7700, 8008, 8320, 8800, 8960, 9100, 9152, 9856, 10010, 10400, 11200, 11440, 11648, 12320, 12800, 14080, 14300, 14560, 15400, 16016, 16640, 17600, 17920, 18200, 18304, 19712, 20020, 20800, 22400, 22880, 23296, 24640, 25025, 28160, 28600, 29120, 30800, 32032, 33280, 35200, 36400, 36608, 39424, 40040, 41600, 44800, 45760, 46592, 49280, 50050, 57200, 58240, 61600, 64064, 70400, 72800, 73216, 80080, 83200, 89600, 91520, 98560, 100100, 114400, 116480, 123200, 128128, 140800, 145600, 160160, 166400, 183040, 197120, 200200, 228800, 232960, 246400, 256256, 291200, 320320, 366080, 400400, 457600, 492800, 512512, 582400, 640640, 800800, 915200, 985600, 1164800, 1281280, 1601600, 1830400, 2562560, 3203200, 6406400, 12812800]

約数ペア:

[(1, 12812800), (2, 6406400), (4, 3203200), (5, 2562560), (7, 1830400), (8, 1601600), (10, 1281280), (11, 1164800), (13, 985600), (14, 915200), (16, 800800), (20, 640640), (22, 582400), (25, 512512), (26, 492800), (28, 457600), (32, 400400), (35, 366080), (40, 320320), (44, 291200), (50, 256256), (52, 246400), (55, 232960), (56, 228800), (64, 200200), (65, 197120), (70, 183040), (77, 166400), (80, 160160), (88, 145600), (91, 140800), (100, 128128), (104, 123200), (110, 116480), (112, 114400), (128, 100100), (130, 98560), (140, 91520), (143, 89600), (154, 83200), (160, 80080), (175, 73216), (176, 72800), (182, 70400), (200, 64064), (208, 61600), (220, 58240), (224, 57200), (256, 50050), (260, 49280), (275, 46592), (280, 45760), (286, 44800), (308, 41600), (320, 40040), (325, 39424), (350, 36608), (352, 36400), (364, 35200), (385, 33280), (400, 32032), (416, 30800), (440, 29120), (448, 28600), (455, 28160), (512, 25025), (520, 24640), (550, 23296), (560, 22880), (572, 22400), (616, 20800), (640, 20020), (650, 19712), (700, 18304), (704, 18200), (715, 17920), (728, 17600), (770, 16640), (800, 16016), (832, 15400), (880, 14560), (896, 14300), (910, 14080), (1001, 12800), (1040, 12320), (1100, 11648), (1120, 11440), (1144, 11200), (1232, 10400), (1280, 10010), (1300, 9856), (1400, 9152), (1408, 9100), (1430, 8960), (1456, 8800), (1540, 8320), (1600, 8008), (1664, 7700), (1760, 7280), (1792, 7150), (1820, 7040), (1925, 6656), (2002, 6400), (2080, 6160), (2200, 5824), (2240, 5720), (2275, 5632), (2288, 5600), (2464, 5200), (2560, 5005), (2600, 4928), (2800, 4576), (2816, 4550), (2860, 4480), (2912, 4400), (3080, 4160), (3200, 4004), (3328, 3850), (3520, 3640), (3575, 3584)]