19728871680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25309}}^1$

素因数の和:25369

約数の個数: 288

約数和(自身を含む): 74496441600

約数和(自身を除く): 54767569920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 256, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 560, 580, 609, 640, 672, 696, 768, 812, 840, 870, 896, 928, 960, 1015, 1120, 1160, 1218, 1280, 1344, 1392, 1624, 1680, 1740, 1792, 1856, 1920, 2030, 2240, 2320, 2436, 2688, 2784, 3045, 3248, 3360, 3480, 3712, 3840, 4060, 4480, 4640, 4872, 5376, 5568, 6090, 6496, 6720, 6960, 7424, 8120, 8960, 9280, 9744, 11136, 12180, 12992, 13440, 13920, 16240, 18560, 19488, 22272, 24360, 25309, 25984, 26880, 27840, 32480, 37120, 38976, 48720, 50618, 51968, 55680, 64960, 75927, 77952, 97440, 101236, 111360, 126545, 129920, 151854, 155904, 177163, 194880, 202472, 253090, 259840, 303708, 354326, 379635, 389760, 404944, 506180, 531489, 607416, 708652, 733961, 759270, 779520, 809888, 885815, 1012360, 1062978, 1214832, 1417304, 1467922, 1518540, 1619776, 1771630, 2024720, 2125956, 2201883, 2429664, 2657445, 2834608, 2935844, 3037080, 3239552, 3543260, 3669805, 4049440, 4251912, 4403766, 4859328, 5137727, 5314890, 5669216, 5871688, 6074160, 6479104, 7086520, 7339610, 8098880, 8503824, 8807532, 9718656, 10275454, 10629780, 11009415, 11338432, 11743376, 12148320, 14173040, 14679220, 15413181, 16197760, 17007648, 17615064, 19437312, 20550908, 21259560, 22018830, 22676864, 23486752, 24296640, 25688635, 28346080, 29358440, 30826362, 32395520, 34015296, 35230128, 41101816, 42519120, 44037660, 45353728, 46973504, 48593280, 51377270, 56692160, 58716880, 61652724, 68030592, 70460256, 77065905, 82203632, 85038240, 88075320, 93947008, 97186560, 102754540, 113384320, 117433760, 123305448, 136061184, 140920512, 154131810, 164407264, 170076480, 176150640, 187894016, 205509080, 226768640, 234867520, 246610896, 281841024, 308263620, 328814528, 340152960, 352301280, 411018160, 469735040, 493221792, 563682048, 616527240, 657629056, 680305920, 704602560, 822036320, 939470080, 986443584, 1233054480, 1315258112, 1409205120, 1644072640, 1972887168, 2466108960, 2818410240, 3288145280, 3945774336, 4932217920, 6576290560, 9864435840, 19728871680]

約数ペア:

[(1, 19728871680), (2, 9864435840), (3, 6576290560), (4, 4932217920), (5, 3945774336), (6, 3288145280), (7, 2818410240), (8, 2466108960), (10, 1972887168), (12, 1644072640), (14, 1409205120), (15, 1315258112), (16, 1233054480), (20, 986443584), (21, 939470080), (24, 822036320), (28, 704602560), (29, 680305920), (30, 657629056), (32, 616527240), (35, 563682048), (40, 493221792), (42, 469735040), (48, 411018160), (56, 352301280), (58, 340152960), (60, 328814528), (64, 308263620), (70, 281841024), (80, 246610896), (84, 234867520), (87, 226768640), (96, 205509080), (105, 187894016), (112, 176150640), (116, 170076480), (120, 164407264), (128, 154131810), (140, 140920512), (145, 136061184), (160, 123305448), (168, 117433760), (174, 113384320), (192, 102754540), (203, 97186560), (210, 93947008), (224, 88075320), (232, 85038240), (240, 82203632), (256, 77065905), (280, 70460256), (290, 68030592), (320, 61652724), (336, 58716880), (348, 56692160), (384, 51377270), (406, 48593280), (420, 46973504), (435, 45353728), (448, 44037660), (464, 42519120), (480, 41101816), (560, 35230128), (580, 34015296), (609, 32395520), (640, 30826362), (672, 29358440), (696, 28346080), (768, 25688635), (812, 24296640), (840, 23486752), (870, 22676864), (896, 22018830), (928, 21259560), (960, 20550908), (1015, 19437312), (1120, 17615064), (1160, 17007648), (1218, 16197760), (1280, 15413181), (1344, 14679220), (1392, 14173040), (1624, 12148320), (1680, 11743376), (1740, 11338432), (1792, 11009415), (1856, 10629780), (1920, 10275454), (2030, 9718656), (2240, 8807532), (2320, 8503824), (2436, 8098880), (2688, 7339610), (2784, 7086520), (3045, 6479104), (3248, 6074160), (3360, 5871688), (3480, 5669216), (3712, 5314890), (3840, 5137727), (4060, 4859328), (4480, 4403766), (4640, 4251912), (4872, 4049440), (5376, 3669805), (5568, 3543260), (6090, 3239552), (6496, 3037080), (6720, 2935844), (6960, 2834608), (7424, 2657445), (8120, 2429664), (8960, 2201883), (9280, 2125956), (9744, 2024720), (11136, 1771630), (12180, 1619776), (12992, 1518540), (13440, 1467922), (13920, 1417304), (16240, 1214832), (18560, 1062978), (19488, 1012360), (22272, 885815), (24360, 809888), (25309, 779520), (25984, 759270), (26880, 733961), (27840, 708652), (32480, 607416), (37120, 531489), (38976, 506180), (48720, 404944), (50618, 389760), (51968, 379635), (55680, 354326), (64960, 303708), (75927, 259840), (77952, 253090), (97440, 202472), (101236, 194880), (111360, 177163), (126545, 155904), (129920, 151854)]