20185778880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:853

約数の個数: 448

約数和(自身を含む): 74895943680

約数和(自身を除く): 54710164800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 157, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 314, 320, 345, 360, 368, 414, 432, 460, 471, 480, 540, 552, 576, 621, 628, 647, 690, 720, 736, 785, 828, 864, 920, 942, 960, 1035, 1080, 1104, 1242, 1256, 1294, 1380, 1413, 1440, 1472, 1570, 1656, 1728, 1840, 1884, 1941, 2070, 2160, 2208, 2355, 2484, 2512, 2588, 2760, 2826, 2880, 3105, 3140, 3235, 3312, 3611, 3680, 3768, 3882, 4140, 4239, 4320, 4416, 4710, 4968, 5024, 5176, 5520, 5652, 5823, 6210, 6280, 6470, 6624, 7065, 7222, 7360, 7536, 7764, 8280, 8478, 8640, 9420, 9705, 9936, 10048, 10352, 10833, 11040, 11304, 11646, 12420, 12560, 12940, 13248, 14130, 14444, 14881, 15072, 15528, 16560, 16956, 17469, 18055, 18840, 19410, 19872, 20704, 21195, 21666, 22080, 22608, 23292, 24840, 25120, 25880, 28260, 28888, 29115, 29762, 30144, 31056, 32499, 33120, 33912, 34938, 36110, 37680, 38820, 39744, 41408, 42390, 43332, 44643, 45216, 46584, 49680, 50240, 51760, 54165, 56520, 57776, 58230, 59524, 62112, 64998, 66240, 67824, 69876, 72220, 74405, 75360, 77640, 84780, 86664, 87345, 89286, 90432, 93168, 97497, 99360, 101579, 103520, 108330, 113040, 115552, 116460, 119048, 124224, 129996, 133929, 135648, 139752, 144440, 148810, 150720, 155280, 162495, 169560, 173328, 174690, 178572, 186336, 194994, 198720, 203158, 207040, 216660, 223215, 226080, 231104, 232920, 238096, 259992, 267858, 271296, 279504, 288880, 297620, 304737, 310560, 324990, 339120, 346656, 349380, 357144, 372672, 389988, 401787, 406316, 433320, 446430, 452160, 465840, 476192, 487485, 507895, 519984, 535716, 559008, 577760, 595240, 609474, 621120, 649980, 669645, 678240, 693312, 698760, 714288, 779976, 803574, 812632, 866640, 892860, 914211, 931680, 952384, 974970, 1015790, 1039968, 1071432, 1118016, 1155520, 1190480, 1218948, 1299960, 1339290, 1356480, 1397520, 1428576, 1523685, 1559952, 1607148, 1625264, 1733280, 1785720, 1828422, 1863360, 1949940, 2008935, 2031580, 2079936, 2142864, 2336317, 2380960, 2437896, 2599920, 2678580, 2742633, 2795040, 2857152, 3047370, 3119904, 3214296, 3250528, 3466560, 3571440, 3656844, 3899880, 4017870, 4063160, 4285728, 4571055, 4672634, 4761920, 4875792, 5199840, 5357160, 5485266, 5590080, 6094740, 6239808, 6428592, 6501056, 7008951, 7142880, 7313688, 7799760, 8035740, 8126320, 8571456, 9142110, 9345268, 9751584, 10399680, 10714320, 10970532, 11681585, 12189480, 12857184, 13713165, 14017902, 14285760, 14627376, 15599520, 16071480, 16252640, 18284220, 18690536, 19503168, 21026853, 21428640, 21941064, 23363170, 24378960, 25714368, 27426330, 28035804, 29254752, 31199040, 32142960, 32505280, 35044755, 36568440, 37381072, 42053706, 42857280, 43882128, 46726340, 48757920, 54852660, 56071608, 58509504, 63080559, 64285920, 70089510, 73136880, 74762144, 84107412, 87764256, 93452680, 97515840, 105134265, 109705320, 112143216, 126161118, 128571840, 140179020, 146273760, 149524288, 168214824, 175528512, 186905360, 210268530, 219410640, 224286432, 252322236, 280358040, 292547520, 315402795, 336429648, 373810720, 420537060, 438821280, 448572864, 504644472, 560716080, 630805590, 672859296, 747621440, 841074120, 877642560, 1009288944, 1121432160, 1261611180, 1345718592, 1682148240, 2018577888, 2242864320, 2523222360, 3364296480, 4037155776, 5046444720, 6728592960, 10092889440, 20185778880]

約数ペア:

[(1, 20185778880), (2, 10092889440), (3, 6728592960), (4, 5046444720), (5, 4037155776), (6, 3364296480), (8, 2523222360), (9, 2242864320), (10, 2018577888), (12, 1682148240), (15, 1345718592), (16, 1261611180), (18, 1121432160), (20, 1009288944), (23, 877642560), (24, 841074120), (27, 747621440), (30, 672859296), (32, 630805590), (36, 560716080), (40, 504644472), (45, 448572864), (46, 438821280), (48, 420537060), (54, 373810720), (60, 336429648), (64, 315402795), (69, 292547520), (72, 280358040), (80, 252322236), (90, 224286432), (92, 219410640), (96, 210268530), (108, 186905360), (115, 175528512), (120, 168214824), (135, 149524288), (138, 146273760), (144, 140179020), (157, 128571840), (160, 126161118), (180, 112143216), (184, 109705320), (192, 105134265), (207, 97515840), (216, 93452680), (230, 87764256), (240, 84107412), (270, 74762144), (276, 73136880), (288, 70089510), (314, 64285920), (320, 63080559), (345, 58509504), (360, 56071608), (368, 54852660), (414, 48757920), (432, 46726340), (460, 43882128), (471, 42857280), (480, 42053706), (540, 37381072), (552, 36568440), (576, 35044755), (621, 32505280), (628, 32142960), (647, 31199040), (690, 29254752), (720, 28035804), (736, 27426330), (785, 25714368), (828, 24378960), (864, 23363170), (920, 21941064), (942, 21428640), (960, 21026853), (1035, 19503168), (1080, 18690536), (1104, 18284220), (1242, 16252640), (1256, 16071480), (1294, 15599520), (1380, 14627376), (1413, 14285760), (1440, 14017902), (1472, 13713165), (1570, 12857184), (1656, 12189480), (1728, 11681585), (1840, 10970532), (1884, 10714320), (1941, 10399680), (2070, 9751584), (2160, 9345268), (2208, 9142110), (2355, 8571456), (2484, 8126320), (2512, 8035740), (2588, 7799760), (2760, 7313688), (2826, 7142880), (2880, 7008951), (3105, 6501056), (3140, 6428592), (3235, 6239808), (3312, 6094740), (3611, 5590080), (3680, 5485266), (3768, 5357160), (3882, 5199840), (4140, 4875792), (4239, 4761920), (4320, 4672634), (4416, 4571055), (4710, 4285728), (4968, 4063160), (5024, 4017870), (5176, 3899880), (5520, 3656844), (5652, 3571440), (5823, 3466560), (6210, 3250528), (6280, 3214296), (6470, 3119904), (6624, 3047370), (7065, 2857152), (7222, 2795040), (7360, 2742633), (7536, 2678580), (7764, 2599920), (8280, 2437896), (8478, 2380960), (8640, 2336317), (9420, 2142864), (9705, 2079936), (9936, 2031580), (10048, 2008935), (10352, 1949940), (10833, 1863360), (11040, 1828422), (11304, 1785720), (11646, 1733280), (12420, 1625264), (12560, 1607148), (12940, 1559952), (13248, 1523685), (14130, 1428576), (14444, 1397520), (14881, 1356480), (15072, 1339290), (15528, 1299960), (16560, 1218948), (16956, 1190480), (17469, 1155520), (18055, 1118016), (18840, 1071432), (19410, 1039968), (19872, 1015790), (20704, 974970), (21195, 952384), (21666, 931680), (22080, 914211), (22608, 892860), (23292, 866640), (24840, 812632), (25120, 803574), (25880, 779976), (28260, 714288), (28888, 698760), (29115, 693312), (29762, 678240), (30144, 669645), (31056, 649980), (32499, 621120), (33120, 609474), (33912, 595240), (34938, 577760), (36110, 559008), (37680, 535716), (38820, 519984), (39744, 507895), (41408, 487485), (42390, 476192), (43332, 465840), (44643, 452160), (45216, 446430), (46584, 433320), (49680, 406316), (50240, 401787), (51760, 389988), (54165, 372672), (56520, 357144), (57776, 349380), (58230, 346656), (59524, 339120), (62112, 324990), (64998, 310560), (66240, 304737), (67824, 297620), (69876, 288880), (72220, 279504), (74405, 271296), (75360, 267858), (77640, 259992), (84780, 238096), (86664, 232920), (87345, 231104), (89286, 226080), (90432, 223215), (93168, 216660), (97497, 207040), (99360, 203158), (101579, 198720), (103520, 194994), (108330, 186336), (113040, 178572), (115552, 174690), (116460, 173328), (119048, 169560), (124224, 162495), (129996, 155280), (133929, 150720), (135648, 148810), (139752, 144440)]