19989831680

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 448

約数和(自身を含む): 61300205568

約数和(自身を除く): 41310373888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 173, 182, 208, 217, 224, 248, 256, 260, 280, 310, 320, 346, 364, 403, 416, 434, 448, 455, 496, 512, 520, 560, 620, 640, 692, 728, 806, 832, 865, 868, 896, 910, 992, 1024, 1040, 1085, 1120, 1211, 1240, 1280, 1384, 1456, 1612, 1664, 1730, 1736, 1792, 1820, 1984, 2015, 2048, 2080, 2170, 2240, 2249, 2422, 2480, 2560, 2768, 2821, 2912, 3224, 3328, 3460, 3472, 3584, 3640, 3968, 4030, 4096, 4160, 4340, 4480, 4498, 4844, 4960, 5120, 5363, 5536, 5642, 5824, 6055, 6448, 6656, 6920, 6944, 7168, 7280, 7936, 8060, 8192, 8320, 8680, 8960, 8996, 9688, 9920, 10240, 10726, 11072, 11245, 11284, 11648, 12110, 12896, 13312, 13840, 13888, 14105, 14336, 14560, 15743, 15872, 16120, 16640, 17360, 17920, 17992, 19376, 19840, 20480, 21452, 22144, 22490, 22568, 23296, 24220, 25792, 26624, 26815, 27680, 27776, 28210, 28672, 29120, 31486, 31744, 32240, 33280, 34720, 35840, 35984, 37541, 38752, 39680, 40960, 42904, 44288, 44980, 45136, 46592, 48440, 51584, 53248, 53630, 55360, 55552, 56420, 57344, 58240, 62972, 63488, 64480, 66560, 69440, 69719, 71680, 71968, 75082, 77504, 78715, 79360, 85808, 88576, 89960, 90272, 93184, 96880, 103168, 106496, 107260, 110720, 111104, 112840, 116480, 125944, 126976, 128960, 133120, 138880, 139438, 143360, 143936, 150164, 155008, 157430, 158720, 171616, 177152, 179920, 180544, 186368, 187705, 193760, 206336, 214520, 221440, 222208, 225680, 232960, 251888, 253952, 257920, 266240, 277760, 278876, 286720, 287872, 300328, 310016, 314860, 317440, 343232, 348595, 354304, 359840, 361088, 372736, 375410, 387520, 412672, 429040, 442880, 444416, 451360, 465920, 488033, 503776, 515840, 532480, 555520, 557752, 575744, 600656, 620032, 629720, 634880, 686464, 697190, 708608, 719680, 722176, 745472, 750820, 775040, 825344, 858080, 885760, 888832, 902720, 931840, 976066, 1007552, 1031680, 1111040, 1115504, 1151488, 1201312, 1240064, 1259440, 1269760, 1372928, 1394380, 1417216, 1439360, 1444352, 1501640, 1550080, 1650688, 1716160, 1771520, 1777664, 1805440, 1863680, 1952132, 2015104, 2063360, 2222080, 2231008, 2302976, 2402624, 2440165, 2480128, 2518880, 2745856, 2788760, 2878720, 2888704, 3003280, 3100160, 3301376, 3432320, 3543040, 3610880, 3727360, 3904264, 4030208, 4126720, 4444160, 4462016, 4605952, 4805248, 4880330, 4960256, 5037760, 5491712, 5577520, 5757440, 5777408, 6006560, 6200320, 6864640, 7086080, 7221760, 7808528, 8060416, 8253440, 8888320, 8924032, 9211904, 9610496, 9760660, 9920512, 10075520, 10983424, 11155040, 11514880, 11554816, 12013120, 12400640, 13729280, 14443520, 15617056, 16120832, 16506880, 17848064, 18423808, 19220992, 19521320, 20151040, 21966848, 22310080, 23029760, 23109632, 24026240, 24801280, 27458560, 28887040, 31234112, 32241664, 35696128, 38441984, 39042640, 40302080, 43933696, 44620160, 46059520, 48052480, 49602560, 54917120, 57774080, 62468224, 64483328, 71392256, 76883968, 78085280, 80604160, 89240320, 92119040, 96104960, 109834240, 115548160, 124936448, 128966656, 142784512, 153767936, 156170560, 161208320, 178480640, 192209920, 219668480, 249872896, 285569024, 307535872, 312341120, 322416640, 356961280, 384419840, 499745792, 571138048, 624682240, 644833280, 713922560, 768839680, 999491584, 1249364480, 1427845120, 1537679360, 1998983168, 2498728960, 2855690240, 3997966336, 4997457920, 9994915840, 19989831680]

約数ペア:

[(1, 19989831680), (2, 9994915840), (4, 4997457920), (5, 3997966336), (7, 2855690240), (8, 2498728960), (10, 1998983168), (13, 1537679360), (14, 1427845120), (16, 1249364480), (20, 999491584), (26, 768839680), (28, 713922560), (31, 644833280), (32, 624682240), (35, 571138048), (40, 499745792), (52, 384419840), (56, 356961280), (62, 322416640), (64, 312341120), (65, 307535872), (70, 285569024), (80, 249872896), (91, 219668480), (104, 192209920), (112, 178480640), (124, 161208320), (128, 156170560), (130, 153767936), (140, 142784512), (155, 128966656), (160, 124936448), (173, 115548160), (182, 109834240), (208, 96104960), (217, 92119040), (224, 89240320), (248, 80604160), (256, 78085280), (260, 76883968), (280, 71392256), (310, 64483328), (320, 62468224), (346, 57774080), (364, 54917120), (403, 49602560), (416, 48052480), (434, 46059520), (448, 44620160), (455, 43933696), (496, 40302080), (512, 39042640), (520, 38441984), (560, 35696128), (620, 32241664), (640, 31234112), (692, 28887040), (728, 27458560), (806, 24801280), (832, 24026240), (865, 23109632), (868, 23029760), (896, 22310080), (910, 21966848), (992, 20151040), (1024, 19521320), (1040, 19220992), (1085, 18423808), (1120, 17848064), (1211, 16506880), (1240, 16120832), (1280, 15617056), (1384, 14443520), (1456, 13729280), (1612, 12400640), (1664, 12013120), (1730, 11554816), (1736, 11514880), (1792, 11155040), (1820, 10983424), (1984, 10075520), (2015, 9920512), (2048, 9760660), (2080, 9610496), (2170, 9211904), (2240, 8924032), (2249, 8888320), (2422, 8253440), (2480, 8060416), (2560, 7808528), (2768, 7221760), (2821, 7086080), (2912, 6864640), (3224, 6200320), (3328, 6006560), (3460, 5777408), (3472, 5757440), (3584, 5577520), (3640, 5491712), (3968, 5037760), (4030, 4960256), (4096, 4880330), (4160, 4805248), (4340, 4605952), (4480, 4462016), (4498, 4444160), (4844, 4126720), (4960, 4030208), (5120, 3904264), (5363, 3727360), (5536, 3610880), (5642, 3543040), (5824, 3432320), (6055, 3301376), (6448, 3100160), (6656, 3003280), (6920, 2888704), (6944, 2878720), (7168, 2788760), (7280, 2745856), (7936, 2518880), (8060, 2480128), (8192, 2440165), (8320, 2402624), (8680, 2302976), (8960, 2231008), (8996, 2222080), (9688, 2063360), (9920, 2015104), (10240, 1952132), (10726, 1863680), (11072, 1805440), (11245, 1777664), (11284, 1771520), (11648, 1716160), (12110, 1650688), (12896, 1550080), (13312, 1501640), (13840, 1444352), (13888, 1439360), (14105, 1417216), (14336, 1394380), (14560, 1372928), (15743, 1269760), (15872, 1259440), (16120, 1240064), (16640, 1201312), (17360, 1151488), (17920, 1115504), (17992, 1111040), (19376, 1031680), (19840, 1007552), (20480, 976066), (21452, 931840), (22144, 902720), (22490, 888832), (22568, 885760), (23296, 858080), (24220, 825344), (25792, 775040), (26624, 750820), (26815, 745472), (27680, 722176), (27776, 719680), (28210, 708608), (28672, 697190), (29120, 686464), (31486, 634880), (31744, 629720), (32240, 620032), (33280, 600656), (34720, 575744), (35840, 557752), (35984, 555520), (37541, 532480), (38752, 515840), (39680, 503776), (40960, 488033), (42904, 465920), (44288, 451360), (44980, 444416), (45136, 442880), (46592, 429040), (48440, 412672), (51584, 387520), (53248, 375410), (53630, 372736), (55360, 361088), (55552, 359840), (56420, 354304), (57344, 348595), (58240, 343232), (62972, 317440), (63488, 314860), (64480, 310016), (66560, 300328), (69440, 287872), (69719, 286720), (71680, 278876), (71968, 277760), (75082, 266240), (77504, 257920), (78715, 253952), (79360, 251888), (85808, 232960), (88576, 225680), (89960, 222208), (90272, 221440), (93184, 214520), (96880, 206336), (103168, 193760), (106496, 187705), (107260, 186368), (110720, 180544), (111104, 179920), (112840, 177152), (116480, 171616), (125944, 158720), (126976, 157430), (128960, 155008), (133120, 150164), (138880, 143936), (139438, 143360)]