20806865280

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:768

約数の個数: 384

約数和(自身を含む): 74919106080

約数和(自身を除く): 54112240800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 337, 360, 384, 397, 405, 432, 480, 486, 540, 576, 640, 648, 674, 720, 794, 810, 864, 960, 972, 1011, 1080, 1152, 1191, 1215, 1296, 1348, 1440, 1588, 1620, 1685, 1728, 1920, 1944, 1985, 2022, 2160, 2382, 2430, 2592, 2696, 2880, 3033, 3176, 3240, 3370, 3456, 3573, 3888, 3970, 4044, 4320, 4764, 4860, 5055, 5184, 5392, 5760, 5955, 6066, 6352, 6480, 6740, 7146, 7776, 7940, 8088, 8640, 9099, 9528, 9720, 10110, 10368, 10719, 10784, 11910, 12132, 12704, 12960, 13480, 14292, 15165, 15552, 15880, 16176, 17280, 17865, 18198, 19056, 19440, 20220, 21438, 21568, 23820, 24264, 25408, 25920, 26960, 27297, 28584, 30330, 31104, 31760, 32157, 32352, 35730, 36396, 38112, 38880, 40440, 42876, 43136, 45495, 47640, 48528, 50816, 51840, 53595, 53920, 54594, 57168, 60660, 63520, 64314, 64704, 71460, 72792, 76224, 77760, 80880, 81891, 85752, 90990, 95280, 96471, 97056, 107190, 107840, 109188, 114336, 121320, 127040, 128628, 129408, 133789, 136485, 142920, 145584, 152448, 155520, 160785, 161760, 163782, 171504, 181980, 190560, 192942, 194112, 214380, 215680, 218376, 228672, 242640, 254080, 257256, 267578, 272970, 285840, 291168, 321570, 323520, 327564, 343008, 363960, 381120, 385884, 388224, 401367, 409455, 428760, 436752, 457344, 482355, 485280, 514512, 535156, 545940, 571680, 582336, 643140, 647040, 655128, 668945, 686016, 727920, 762240, 771768, 802734, 818910, 857520, 873504, 964710, 970560, 1029024, 1070312, 1091880, 1143360, 1164672, 1204101, 1286280, 1310256, 1337890, 1372032, 1455840, 1543536, 1605468, 1637820, 1715040, 1747008, 1929420, 1941120, 2006835, 2058048, 2140624, 2183760, 2286720, 2408202, 2572560, 2620512, 2675780, 2911680, 3087072, 3210936, 3275640, 3430080, 3494016, 3612303, 3858840, 4013670, 4116096, 4281248, 4367520, 4816404, 5145120, 5241024, 5351560, 5823360, 6020505, 6174144, 6421872, 6551280, 6860160, 7224606, 7717680, 8027340, 8562496, 8735040, 9632808, 10290240, 10482048, 10703120, 10836909, 12041010, 12348288, 12843744, 13102560, 14449212, 15435360, 16054680, 17124992, 17470080, 18061515, 19265616, 20580480, 21406240, 21673818, 24082020, 25687488, 26205120, 28898424, 30870720, 32109360, 32510727, 36123030, 38531232, 42812480, 43347636, 48164040, 51374976, 52410240, 54184545, 57796848, 61741440, 64218720, 65021454, 72246060, 77062464, 85624960, 86695272, 96328080, 108369090, 115593696, 128437440, 130042908, 144492120, 154124928, 162553635, 173390544, 192656160, 216738180, 231187392, 256874880, 260085816, 288984240, 325107270, 346781088, 385312320, 433476360, 462374784, 520171632, 577968480, 650214540, 693562176, 770624640, 866952720, 1040343264, 1155936960, 1300429080, 1387124352, 1733905440, 2080686528, 2311873920, 2600858160, 3467810880, 4161373056, 5201716320, 6935621760, 10403432640, 20806865280]

約数ペア:

[(1, 20806865280), (2, 10403432640), (3, 6935621760), (4, 5201716320), (5, 4161373056), (6, 3467810880), (8, 2600858160), (9, 2311873920), (10, 2080686528), (12, 1733905440), (15, 1387124352), (16, 1300429080), (18, 1155936960), (20, 1040343264), (24, 866952720), (27, 770624640), (30, 693562176), (32, 650214540), (36, 577968480), (40, 520171632), (45, 462374784), (48, 433476360), (54, 385312320), (60, 346781088), (64, 325107270), (72, 288984240), (80, 260085816), (81, 256874880), (90, 231187392), (96, 216738180), (108, 192656160), (120, 173390544), (128, 162553635), (135, 154124928), (144, 144492120), (160, 130042908), (162, 128437440), (180, 115593696), (192, 108369090), (216, 96328080), (240, 86695272), (243, 85624960), (270, 77062464), (288, 72246060), (320, 65021454), (324, 64218720), (337, 61741440), (360, 57796848), (384, 54184545), (397, 52410240), (405, 51374976), (432, 48164040), (480, 43347636), (486, 42812480), (540, 38531232), (576, 36123030), (640, 32510727), (648, 32109360), (674, 30870720), (720, 28898424), (794, 26205120), (810, 25687488), (864, 24082020), (960, 21673818), (972, 21406240), (1011, 20580480), (1080, 19265616), (1152, 18061515), (1191, 17470080), (1215, 17124992), (1296, 16054680), (1348, 15435360), (1440, 14449212), (1588, 13102560), (1620, 12843744), (1685, 12348288), (1728, 12041010), (1920, 10836909), (1944, 10703120), (1985, 10482048), (2022, 10290240), (2160, 9632808), (2382, 8735040), (2430, 8562496), (2592, 8027340), (2696, 7717680), (2880, 7224606), (3033, 6860160), (3176, 6551280), (3240, 6421872), (3370, 6174144), (3456, 6020505), (3573, 5823360), (3888, 5351560), (3970, 5241024), (4044, 5145120), (4320, 4816404), (4764, 4367520), (4860, 4281248), (5055, 4116096), (5184, 4013670), (5392, 3858840), (5760, 3612303), (5955, 3494016), (6066, 3430080), (6352, 3275640), (6480, 3210936), (6740, 3087072), (7146, 2911680), (7776, 2675780), (7940, 2620512), (8088, 2572560), (8640, 2408202), (9099, 2286720), (9528, 2183760), (9720, 2140624), (10110, 2058048), (10368, 2006835), (10719, 1941120), (10784, 1929420), (11910, 1747008), (12132, 1715040), (12704, 1637820), (12960, 1605468), (13480, 1543536), (14292, 1455840), (15165, 1372032), (15552, 1337890), (15880, 1310256), (16176, 1286280), (17280, 1204101), (17865, 1164672), (18198, 1143360), (19056, 1091880), (19440, 1070312), (20220, 1029024), (21438, 970560), (21568, 964710), (23820, 873504), (24264, 857520), (25408, 818910), (25920, 802734), (26960, 771768), (27297, 762240), (28584, 727920), (30330, 686016), (31104, 668945), (31760, 655128), (32157, 647040), (32352, 643140), (35730, 582336), (36396, 571680), (38112, 545940), (38880, 535156), (40440, 514512), (42876, 485280), (43136, 482355), (45495, 457344), (47640, 436752), (48528, 428760), (50816, 409455), (51840, 401367), (53595, 388224), (53920, 385884), (54594, 381120), (57168, 363960), (60660, 343008), (63520, 327564), (64314, 323520), (64704, 321570), (71460, 291168), (72792, 285840), (76224, 272970), (77760, 267578), (80880, 257256), (81891, 254080), (85752, 242640), (90990, 228672), (95280, 218376), (96471, 215680), (97056, 214380), (107190, 194112), (107840, 192942), (109188, 190560), (114336, 181980), (121320, 171504), (127040, 163782), (128628, 161760), (129408, 160785), (133789, 155520), (136485, 152448), (142920, 145584)]