19979481600

素因数分解:

$2^9\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4497

約数の個数: 480

約数和(自身を含む): 78993277440

約数和(自身を除く): 59013795840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 108, 117, 120, 128, 130, 135, 144, 150, 156, 160, 180, 192, 195, 200, 208, 216, 225, 234, 240, 256, 260, 270, 288, 300, 312, 320, 325, 351, 360, 384, 390, 400, 416, 432, 450, 468, 480, 512, 520, 540, 576, 585, 600, 624, 640, 650, 675, 702, 720, 768, 780, 800, 832, 864, 900, 936, 960, 975, 1040, 1080, 1152, 1170, 1200, 1248, 1280, 1300, 1350, 1404, 1440, 1536, 1560, 1600, 1664, 1728, 1755, 1800, 1872, 1920, 1950, 2080, 2160, 2304, 2340, 2400, 2496, 2560, 2600, 2700, 2808, 2880, 2925, 3120, 3200, 3328, 3456, 3510, 3600, 3744, 3840, 3900, 4160, 4320, 4447, 4608, 4680, 4800, 4992, 5200, 5400, 5616, 5760, 5850, 6240, 6400, 6656, 6912, 7020, 7200, 7488, 7680, 7800, 8320, 8640, 8775, 8894, 9360, 9600, 9984, 10400, 10800, 11232, 11520, 11700, 12480, 12800, 13341, 13824, 14040, 14400, 14976, 15600, 16640, 17280, 17550, 17788, 18720, 19200, 19968, 20800, 21600, 22235, 22464, 23040, 23400, 24960, 26682, 28080, 28800, 29952, 31200, 33280, 34560, 35100, 35576, 37440, 38400, 40023, 41600, 43200, 44470, 44928, 46800, 49920, 53364, 56160, 57600, 57811, 59904, 62400, 66705, 69120, 70200, 71152, 74880, 80046, 83200, 86400, 88940, 89856, 93600, 99840, 106728, 111175, 112320, 115200, 115622, 120069, 124800, 133410, 140400, 142304, 149760, 160092, 166400, 172800, 173433, 177880, 179712, 187200, 200115, 213456, 222350, 224640, 231244, 240138, 249600, 266820, 280800, 284608, 289055, 299520, 320184, 333525, 345600, 346866, 355760, 374400, 400230, 426912, 444700, 449280, 462488, 480276, 499200, 520299, 533640, 561600, 569216, 578110, 600345, 640368, 667050, 693732, 711520, 748800, 800460, 853824, 867165, 889400, 898560, 924976, 960552, 1000575, 1040598, 1067280, 1123200, 1138432, 1156220, 1200690, 1280736, 1334100, 1387464, 1423040, 1445275, 1497600, 1560897, 1600920, 1707648, 1734330, 1778800, 1849952, 1921104, 2001150, 2081196, 2134560, 2246400, 2276864, 2312440, 2401380, 2561472, 2601495, 2668200, 2774928, 2846080, 2890550, 3001725, 3121794, 3201840, 3415296, 3468660, 3557600, 3699904, 3842208, 4002300, 4162392, 4269120, 4335825, 4492800, 4624880, 4802760, 5122944, 5202990, 5336400, 5549856, 5692160, 5781100, 6003450, 6243588, 6403680, 6830592, 6937320, 7115200, 7399808, 7684416, 7804485, 8004600, 8324784, 8538240, 8671650, 9249760, 9605520, 10245888, 10405980, 10672800, 11099712, 11384320, 11562200, 12006900, 12487176, 12807360, 13007475, 13874640, 14230400, 14799616, 15368832, 15608970, 16009200, 16649568, 17076480, 17343300, 18499520, 19211040, 20491776, 20811960, 21345600, 22199424, 23124400, 24013800, 24974352, 25614720, 26014950, 27749280, 28460800, 29599232, 30737664, 31217940, 32018400, 33299136, 34152960, 34686600, 36999040, 38422080, 39022425, 41623920, 42691200, 44398848, 46248800, 48027600, 49948704, 51229440, 52029900, 55498560, 56921600, 61475328, 62435880, 64036800, 66598272, 69373200, 73998080, 76844160, 78044850, 83247840, 85382400, 88797696, 92497600, 96055200, 99897408, 102458880, 104059800, 110997120, 124871760, 128073600, 133196544, 138746400, 147996160, 153688320, 156089700, 166495680, 170764800, 184995200, 192110400, 199794816, 208119600, 221994240, 249743520, 256147200, 266393088, 277492800, 307376640, 312179400, 332991360, 369990400, 384220800, 399589632, 416239200, 443988480, 499487040, 512294400, 554985600, 624358800, 665982720, 739980800, 768441600, 799179264, 832478400, 998974080, 1109971200, 1248717600, 1331965440, 1536883200, 1664956800, 1997948160, 2219942400, 2497435200, 3329913600, 3995896320, 4994870400, 6659827200, 9989740800, 19979481600]

約数ペア:

[(1, 19979481600), (2, 9989740800), (3, 6659827200), (4, 4994870400), (5, 3995896320), (6, 3329913600), (8, 2497435200), (9, 2219942400), (10, 1997948160), (12, 1664956800), (13, 1536883200), (15, 1331965440), (16, 1248717600), (18, 1109971200), (20, 998974080), (24, 832478400), (25, 799179264), (26, 768441600), (27, 739980800), (30, 665982720), (32, 624358800), (36, 554985600), (39, 512294400), (40, 499487040), (45, 443988480), (48, 416239200), (50, 399589632), (52, 384220800), (54, 369990400), (60, 332991360), (64, 312179400), (65, 307376640), (72, 277492800), (75, 266393088), (78, 256147200), (80, 249743520), (90, 221994240), (96, 208119600), (100, 199794816), (104, 192110400), (108, 184995200), (117, 170764800), (120, 166495680), (128, 156089700), (130, 153688320), (135, 147996160), (144, 138746400), (150, 133196544), (156, 128073600), (160, 124871760), (180, 110997120), (192, 104059800), (195, 102458880), (200, 99897408), (208, 96055200), (216, 92497600), (225, 88797696), (234, 85382400), (240, 83247840), (256, 78044850), (260, 76844160), (270, 73998080), (288, 69373200), (300, 66598272), (312, 64036800), (320, 62435880), (325, 61475328), (351, 56921600), (360, 55498560), (384, 52029900), (390, 51229440), (400, 49948704), (416, 48027600), (432, 46248800), (450, 44398848), (468, 42691200), (480, 41623920), (512, 39022425), (520, 38422080), (540, 36999040), (576, 34686600), (585, 34152960), (600, 33299136), (624, 32018400), (640, 31217940), (650, 30737664), (675, 29599232), (702, 28460800), (720, 27749280), (768, 26014950), (780, 25614720), (800, 24974352), (832, 24013800), (864, 23124400), (900, 22199424), (936, 21345600), (960, 20811960), (975, 20491776), (1040, 19211040), (1080, 18499520), (1152, 17343300), (1170, 17076480), (1200, 16649568), (1248, 16009200), (1280, 15608970), (1300, 15368832), (1350, 14799616), (1404, 14230400), (1440, 13874640), (1536, 13007475), (1560, 12807360), (1600, 12487176), (1664, 12006900), (1728, 11562200), (1755, 11384320), (1800, 11099712), (1872, 10672800), (1920, 10405980), (1950, 10245888), (2080, 9605520), (2160, 9249760), (2304, 8671650), (2340, 8538240), (2400, 8324784), (2496, 8004600), (2560, 7804485), (2600, 7684416), (2700, 7399808), (2808, 7115200), (2880, 6937320), (2925, 6830592), (3120, 6403680), (3200, 6243588), (3328, 6003450), (3456, 5781100), (3510, 5692160), (3600, 5549856), (3744, 5336400), (3840, 5202990), (3900, 5122944), (4160, 4802760), (4320, 4624880), (4447, 4492800), (4608, 4335825), (4680, 4269120), (4800, 4162392), (4992, 4002300), (5200, 3842208), (5400, 3699904), (5616, 3557600), (5760, 3468660), (5850, 3415296), (6240, 3201840), (6400, 3121794), (6656, 3001725), (6912, 2890550), (7020, 2846080), (7200, 2774928), (7488, 2668200), (7680, 2601495), (7800, 2561472), (8320, 2401380), (8640, 2312440), (8775, 2276864), (8894, 2246400), (9360, 2134560), (9600, 2081196), (9984, 2001150), (10400, 1921104), (10800, 1849952), (11232, 1778800), (11520, 1734330), (11700, 1707648), (12480, 1600920), (12800, 1560897), (13341, 1497600), (13824, 1445275), (14040, 1423040), (14400, 1387464), (14976, 1334100), (15600, 1280736), (16640, 1200690), (17280, 1156220), (17550, 1138432), (17788, 1123200), (18720, 1067280), (19200, 1040598), (19968, 1000575), (20800, 960552), (21600, 924976), (22235, 898560), (22464, 889400), (23040, 867165), (23400, 853824), (24960, 800460), (26682, 748800), (28080, 711520), (28800, 693732), (29952, 667050), (31200, 640368), (33280, 600345), (34560, 578110), (35100, 569216), (35576, 561600), (37440, 533640), (38400, 520299), (40023, 499200), (41600, 480276), (43200, 462488), (44470, 449280), (44928, 444700), (46800, 426912), (49920, 400230), (53364, 374400), (56160, 355760), (57600, 346866), (57811, 345600), (59904, 333525), (62400, 320184), (66705, 299520), (69120, 289055), (70200, 284608), (71152, 280800), (74880, 266820), (80046, 249600), (83200, 240138), (86400, 231244), (88940, 224640), (89856, 222350), (93600, 213456), (99840, 200115), (106728, 187200), (111175, 179712), (112320, 177880), (115200, 173433), (115622, 172800), (120069, 166400), (124800, 160092), (133410, 149760), (140400, 142304)]