17937920

素因数分解:

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

素因数の和:61

約数の個数: 240

約数和(自身を含む): 58777488

約数和(自身を除く): 40839568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 49, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 196, 208, 220, 224, 245, 256, 260, 280, 286, 308, 320, 352, 364, 385, 392, 416, 440, 448, 455, 490, 512, 520, 539, 560, 572, 616, 637, 640, 704, 715, 728, 770, 784, 832, 880, 896, 910, 980, 1001, 1040, 1078, 1120, 1144, 1232, 1274, 1280, 1408, 1430, 1456, 1540, 1568, 1664, 1760, 1792, 1820, 1960, 2002, 2080, 2156, 2240, 2288, 2464, 2548, 2560, 2695, 2816, 2860, 2912, 3080, 3136, 3185, 3328, 3520, 3584, 3640, 3920, 4004, 4160, 4312, 4480, 4576, 4928, 5005, 5096, 5390, 5632, 5720, 5824, 6160, 6272, 6370, 6656, 7007, 7040, 7280, 7840, 8008, 8320, 8624, 8960, 9152, 9856, 10010, 10192, 10780, 11440, 11648, 12320, 12544, 12740, 14014, 14080, 14560, 15680, 16016, 16640, 17248, 17920, 18304, 19712, 20020, 20384, 21560, 22880, 23296, 24640, 25088, 25480, 28028, 28160, 29120, 31360, 32032, 33280, 34496, 35035, 36608, 39424, 40040, 40768, 43120, 45760, 46592, 49280, 50960, 56056, 58240, 62720, 64064, 68992, 70070, 73216, 80080, 81536, 86240, 91520, 98560, 101920, 112112, 116480, 125440, 128128, 137984, 140140, 160160, 163072, 172480, 183040, 197120, 203840, 224224, 232960, 256256, 275968, 280280, 320320, 326144, 344960, 366080, 407680, 448448, 512512, 560560, 640640, 689920, 815360, 896896, 1121120, 1281280, 1379840, 1630720, 1793792, 2242240, 2562560, 3587584, 4484480, 8968960, 17937920]

約数ペア:

[(1, 17937920), (2, 8968960), (4, 4484480), (5, 3587584), (7, 2562560), (8, 2242240), (10, 1793792), (11, 1630720), (13, 1379840), (14, 1281280), (16, 1121120), (20, 896896), (22, 815360), (26, 689920), (28, 640640), (32, 560560), (35, 512512), (40, 448448), (44, 407680), (49, 366080), (52, 344960), (55, 326144), (56, 320320), (64, 280280), (65, 275968), (70, 256256), (77, 232960), (80, 224224), (88, 203840), (91, 197120), (98, 183040), (104, 172480), (110, 163072), (112, 160160), (128, 140140), (130, 137984), (140, 128128), (143, 125440), (154, 116480), (160, 112112), (176, 101920), (182, 98560), (196, 91520), (208, 86240), (220, 81536), (224, 80080), (245, 73216), (256, 70070), (260, 68992), (280, 64064), (286, 62720), (308, 58240), (320, 56056), (352, 50960), (364, 49280), (385, 46592), (392, 45760), (416, 43120), (440, 40768), (448, 40040), (455, 39424), (490, 36608), (512, 35035), (520, 34496), (539, 33280), (560, 32032), (572, 31360), (616, 29120), (637, 28160), (640, 28028), (704, 25480), (715, 25088), (728, 24640), (770, 23296), (784, 22880), (832, 21560), (880, 20384), (896, 20020), (910, 19712), (980, 18304), (1001, 17920), (1040, 17248), (1078, 16640), (1120, 16016), (1144, 15680), (1232, 14560), (1274, 14080), (1280, 14014), (1408, 12740), (1430, 12544), (1456, 12320), (1540, 11648), (1568, 11440), (1664, 10780), (1760, 10192), (1792, 10010), (1820, 9856), (1960, 9152), (2002, 8960), (2080, 8624), (2156, 8320), (2240, 8008), (2288, 7840), (2464, 7280), (2548, 7040), (2560, 7007), (2695, 6656), (2816, 6370), (2860, 6272), (2912, 6160), (3080, 5824), (3136, 5720), (3185, 5632), (3328, 5390), (3520, 5096), (3584, 5005), (3640, 4928), (3920, 4576), (4004, 4480), (4160, 4312)]