19997930880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:638

約数の個数: 384

約数和(自身を含む): 71161009920

約数和(自身を除く): 51163079040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 258, 263, 288, 307, 320, 344, 360, 384, 387, 430, 480, 516, 526, 576, 614, 640, 645, 688, 720, 774, 789, 860, 921, 960, 1032, 1052, 1152, 1228, 1290, 1315, 1376, 1440, 1535, 1548, 1578, 1720, 1842, 1920, 1935, 2064, 2104, 2367, 2456, 2580, 2630, 2752, 2763, 2880, 3070, 3096, 3156, 3440, 3684, 3870, 3945, 4128, 4208, 4605, 4734, 4912, 5160, 5260, 5504, 5526, 5760, 6140, 6192, 6312, 6880, 7368, 7740, 7890, 8256, 8416, 9210, 9468, 9824, 10320, 10520, 11052, 11309, 11835, 12280, 12384, 12624, 13201, 13760, 13815, 14736, 15480, 15780, 16512, 16832, 18420, 18936, 19648, 20640, 21040, 22104, 22618, 23670, 24560, 24768, 25248, 26402, 27520, 27630, 29472, 30960, 31560, 33664, 33927, 36840, 37872, 39296, 39603, 41280, 42080, 44208, 45236, 47340, 49120, 49536, 50496, 52804, 55260, 56545, 58944, 61920, 63120, 66005, 67854, 73680, 75744, 79206, 80741, 82560, 84160, 88416, 90472, 94680, 98240, 100992, 101781, 105608, 110520, 113090, 117888, 118809, 123840, 126240, 132010, 135708, 147360, 151488, 158412, 161482, 168320, 169635, 176832, 180944, 189360, 196480, 198015, 203562, 211216, 221040, 226180, 237618, 242223, 247680, 252480, 264020, 271416, 294720, 302976, 316824, 322964, 339270, 353664, 361888, 378720, 396030, 403705, 407124, 422432, 442080, 452360, 475236, 484446, 504960, 508905, 528040, 542832, 589440, 594045, 633648, 645928, 678540, 723776, 726669, 757440, 792060, 807410, 814248, 844864, 884160, 904720, 950472, 968892, 1017810, 1056080, 1085664, 1188090, 1211115, 1267296, 1291856, 1357080, 1447552, 1453338, 1514880, 1584120, 1614820, 1628496, 1689728, 1768320, 1809440, 1900944, 1937784, 2035620, 2112160, 2171328, 2376180, 2422230, 2534592, 2583712, 2714160, 2906676, 3168240, 3229640, 3256992, 3471863, 3618880, 3633345, 3801888, 3875568, 4071240, 4224320, 4342656, 4752360, 4844460, 5069184, 5167424, 5428320, 5813352, 6336480, 6459280, 6513984, 6943726, 7237760, 7266690, 7603776, 7751136, 8142480, 8448640, 9504720, 9688920, 10334848, 10415589, 10856640, 11626704, 12672960, 12918560, 13027968, 13887452, 14533380, 15207552, 15502272, 16284960, 17359315, 19009440, 19377840, 20831178, 21713280, 23253408, 25345920, 25837120, 27774904, 29066760, 31004544, 31246767, 32569920, 34718630, 38018880, 38755680, 41662356, 46506816, 51674240, 52077945, 55549808, 58133520, 62493534, 65139840, 69437260, 76037760, 77511360, 83324712, 93013632, 104155890, 111099616, 116267040, 124987068, 138874520, 155022720, 156233835, 166649424, 208311780, 222199232, 232534080, 249974136, 277749040, 312467670, 333298848, 416623560, 444398464, 465068160, 499948272, 555498080, 624935340, 666597696, 833247120, 999896544, 1110996160, 1249870680, 1333195392, 1666494240, 1999793088, 2221992320, 2499741360, 3332988480, 3999586176, 4999482720, 6665976960, 9998965440, 19997930880]

約数ペア:

[(1, 19997930880), (2, 9998965440), (3, 6665976960), (4, 4999482720), (5, 3999586176), (6, 3332988480), (8, 2499741360), (9, 2221992320), (10, 1999793088), (12, 1666494240), (15, 1333195392), (16, 1249870680), (18, 1110996160), (20, 999896544), (24, 833247120), (30, 666597696), (32, 624935340), (36, 555498080), (40, 499948272), (43, 465068160), (45, 444398464), (48, 416623560), (60, 333298848), (64, 312467670), (72, 277749040), (80, 249974136), (86, 232534080), (90, 222199232), (96, 208311780), (120, 166649424), (128, 156233835), (129, 155022720), (144, 138874520), (160, 124987068), (172, 116267040), (180, 111099616), (192, 104155890), (215, 93013632), (240, 83324712), (258, 77511360), (263, 76037760), (288, 69437260), (307, 65139840), (320, 62493534), (344, 58133520), (360, 55549808), (384, 52077945), (387, 51674240), (430, 46506816), (480, 41662356), (516, 38755680), (526, 38018880), (576, 34718630), (614, 32569920), (640, 31246767), (645, 31004544), (688, 29066760), (720, 27774904), (774, 25837120), (789, 25345920), (860, 23253408), (921, 21713280), (960, 20831178), (1032, 19377840), (1052, 19009440), (1152, 17359315), (1228, 16284960), (1290, 15502272), (1315, 15207552), (1376, 14533380), (1440, 13887452), (1535, 13027968), (1548, 12918560), (1578, 12672960), (1720, 11626704), (1842, 10856640), (1920, 10415589), (1935, 10334848), (2064, 9688920), (2104, 9504720), (2367, 8448640), (2456, 8142480), (2580, 7751136), (2630, 7603776), (2752, 7266690), (2763, 7237760), (2880, 6943726), (3070, 6513984), (3096, 6459280), (3156, 6336480), (3440, 5813352), (3684, 5428320), (3870, 5167424), (3945, 5069184), (4128, 4844460), (4208, 4752360), (4605, 4342656), (4734, 4224320), (4912, 4071240), (5160, 3875568), (5260, 3801888), (5504, 3633345), (5526, 3618880), (5760, 3471863), (6140, 3256992), (6192, 3229640), (6312, 3168240), (6880, 2906676), (7368, 2714160), (7740, 2583712), (7890, 2534592), (8256, 2422230), (8416, 2376180), (9210, 2171328), (9468, 2112160), (9824, 2035620), (10320, 1937784), (10520, 1900944), (11052, 1809440), (11309, 1768320), (11835, 1689728), (12280, 1628496), (12384, 1614820), (12624, 1584120), (13201, 1514880), (13760, 1453338), (13815, 1447552), (14736, 1357080), (15480, 1291856), (15780, 1267296), (16512, 1211115), (16832, 1188090), (18420, 1085664), (18936, 1056080), (19648, 1017810), (20640, 968892), (21040, 950472), (22104, 904720), (22618, 884160), (23670, 844864), (24560, 814248), (24768, 807410), (25248, 792060), (26402, 757440), (27520, 726669), (27630, 723776), (29472, 678540), (30960, 645928), (31560, 633648), (33664, 594045), (33927, 589440), (36840, 542832), (37872, 528040), (39296, 508905), (39603, 504960), (41280, 484446), (42080, 475236), (44208, 452360), (45236, 442080), (47340, 422432), (49120, 407124), (49536, 403705), (50496, 396030), (52804, 378720), (55260, 361888), (56545, 353664), (58944, 339270), (61920, 322964), (63120, 316824), (66005, 302976), (67854, 294720), (73680, 271416), (75744, 264020), (79206, 252480), (80741, 247680), (82560, 242223), (84160, 237618), (88416, 226180), (90472, 221040), (94680, 211216), (98240, 203562), (100992, 198015), (101781, 196480), (105608, 189360), (110520, 180944), (113090, 176832), (117888, 169635), (118809, 168320), (123840, 161482), (126240, 158412), (132010, 151488), (135708, 147360)]