20178061440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1871}}^1$

素因数の和:2071

約数の個数: 256

約数和(自身を含む): 66402685440

約数和(自身を除く): 46224624000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 137, 160, 164, 192, 205, 240, 246, 274, 320, 328, 384, 410, 411, 480, 492, 548, 615, 640, 656, 685, 820, 822, 960, 984, 1096, 1230, 1312, 1370, 1640, 1644, 1871, 1920, 1968, 2055, 2192, 2460, 2624, 2740, 3280, 3288, 3742, 3936, 4110, 4384, 4920, 5248, 5480, 5613, 5617, 6560, 6576, 7484, 7872, 8220, 8768, 9355, 9840, 10960, 11226, 11234, 13120, 13152, 14968, 15744, 16440, 16851, 17536, 18710, 19680, 21920, 22452, 22468, 26240, 26304, 28065, 28085, 29936, 32880, 33702, 37420, 39360, 43840, 44904, 44936, 52608, 56130, 56170, 59872, 65760, 67404, 74840, 76711, 78720, 84255, 87680, 89808, 89872, 112260, 112340, 119744, 131520, 134808, 149680, 153422, 168510, 179616, 179744, 224520, 224680, 230133, 239488, 256327, 263040, 269616, 299360, 306844, 337020, 359232, 359488, 383555, 449040, 449360, 460266, 512654, 539232, 598720, 613688, 674040, 718464, 718976, 767110, 768981, 898080, 898720, 920532, 1025308, 1078464, 1150665, 1197440, 1227376, 1281635, 1348080, 1534220, 1537962, 1796160, 1797440, 1841064, 2050616, 2156928, 2301330, 2454752, 2563270, 2696160, 3068440, 3075924, 3592320, 3594880, 3682128, 3844905, 4101232, 4602660, 4909504, 5126540, 5392320, 6136880, 6151848, 7364256, 7689810, 8202464, 9205320, 9819008, 10253080, 10509407, 10784640, 12273760, 12303696, 14728512, 15379620, 16404928, 18410640, 20506160, 21018814, 24547520, 24607392, 29457024, 30759240, 31528221, 32809856, 36821280, 41012320, 42037628, 49095040, 49214784, 52547035, 61518480, 63056442, 73642560, 82024640, 84075256, 98429568, 105094070, 123036960, 126112884, 147285120, 157641105, 164049280, 168150512, 210188140, 246073920, 252225768, 315282210, 336301024, 420376280, 492147840, 504451536, 630564420, 672602048, 840752560, 1008903072, 1261128840, 1345204096, 1681505120, 2017806144, 2522257680, 3363010240, 4035612288, 5044515360, 6726020480, 10089030720, 20178061440]

約数ペア:

[(1, 20178061440), (2, 10089030720), (3, 6726020480), (4, 5044515360), (5, 4035612288), (6, 3363010240), (8, 2522257680), (10, 2017806144), (12, 1681505120), (15, 1345204096), (16, 1261128840), (20, 1008903072), (24, 840752560), (30, 672602048), (32, 630564420), (40, 504451536), (41, 492147840), (48, 420376280), (60, 336301024), (64, 315282210), (80, 252225768), (82, 246073920), (96, 210188140), (120, 168150512), (123, 164049280), (128, 157641105), (137, 147285120), (160, 126112884), (164, 123036960), (192, 105094070), (205, 98429568), (240, 84075256), (246, 82024640), (274, 73642560), (320, 63056442), (328, 61518480), (384, 52547035), (410, 49214784), (411, 49095040), (480, 42037628), (492, 41012320), (548, 36821280), (615, 32809856), (640, 31528221), (656, 30759240), (685, 29457024), (820, 24607392), (822, 24547520), (960, 21018814), (984, 20506160), (1096, 18410640), (1230, 16404928), (1312, 15379620), (1370, 14728512), (1640, 12303696), (1644, 12273760), (1871, 10784640), (1920, 10509407), (1968, 10253080), (2055, 9819008), (2192, 9205320), (2460, 8202464), (2624, 7689810), (2740, 7364256), (3280, 6151848), (3288, 6136880), (3742, 5392320), (3936, 5126540), (4110, 4909504), (4384, 4602660), (4920, 4101232), (5248, 3844905), (5480, 3682128), (5613, 3594880), (5617, 3592320), (6560, 3075924), (6576, 3068440), (7484, 2696160), (7872, 2563270), (8220, 2454752), (8768, 2301330), (9355, 2156928), (9840, 2050616), (10960, 1841064), (11226, 1797440), (11234, 1796160), (13120, 1537962), (13152, 1534220), (14968, 1348080), (15744, 1281635), (16440, 1227376), (16851, 1197440), (17536, 1150665), (18710, 1078464), (19680, 1025308), (21920, 920532), (22452, 898720), (22468, 898080), (26240, 768981), (26304, 767110), (28065, 718976), (28085, 718464), (29936, 674040), (32880, 613688), (33702, 598720), (37420, 539232), (39360, 512654), (43840, 460266), (44904, 449360), (44936, 449040), (52608, 383555), (56130, 359488), (56170, 359232), (59872, 337020), (65760, 306844), (67404, 299360), (74840, 269616), (76711, 263040), (78720, 256327), (84255, 239488), (87680, 230133), (89808, 224680), (89872, 224520), (112260, 179744), (112340, 179616), (119744, 168510), (131520, 153422), (134808, 149680)]