20157236280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1\times {\mathrm{941}}^1$

素因数の和:1494

約数の個数: 192

約数和(自身を含む): 66172485600

約数和(自身を除く): 46015249320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 379, 471, 628, 758, 785, 941, 942, 1137, 1256, 1413, 1516, 1570, 1882, 1884, 1895, 2274, 2355, 2823, 2826, 3032, 3140, 3411, 3764, 3768, 3790, 4548, 4705, 4710, 5646, 5652, 5685, 6280, 6822, 7065, 7528, 7580, 8469, 9096, 9410, 9420, 11292, 11304, 11370, 13644, 14115, 14130, 15160, 16938, 17055, 18820, 18840, 22584, 22740, 27288, 28230, 28260, 33876, 34110, 37640, 42345, 45480, 56460, 56520, 59503, 67752, 68220, 84690, 112920, 119006, 136440, 147737, 169380, 178509, 238012, 295474, 297515, 338760, 356639, 357018, 443211, 476024, 535527, 590948, 595030, 713278, 714036, 738685, 886422, 892545, 1069917, 1071054, 1181896, 1190060, 1329633, 1426556, 1428072, 1477370, 1772844, 1783195, 1785090, 2139834, 2142108, 2216055, 2380120, 2659266, 2677635, 2853112, 2954740, 3209751, 3545688, 3566390, 3570180, 4279668, 4284216, 4432110, 5318532, 5349585, 5355270, 5909480, 6419502, 6648165, 7132780, 7140360, 8559336, 8864220, 10637064, 10699170, 10710540, 12839004, 13296330, 14265560, 16048755, 17728440, 21398340, 21421080, 25678008, 26592660, 32097510, 42796680, 53185320, 55992323, 64195020, 111984646, 128390040, 167976969, 223969292, 279961615, 335953938, 447938584, 503930907, 559923230, 671907876, 839884845, 1007861814, 1119846460, 1343815752, 1679769690, 2015723628, 2239692920, 2519654535, 3359539380, 4031447256, 5039309070, 6719078760, 10078618140, 20157236280]

約数ペア:

[(1, 20157236280), (2, 10078618140), (3, 6719078760), (4, 5039309070), (5, 4031447256), (6, 3359539380), (8, 2519654535), (9, 2239692920), (10, 2015723628), (12, 1679769690), (15, 1343815752), (18, 1119846460), (20, 1007861814), (24, 839884845), (30, 671907876), (36, 559923230), (40, 503930907), (45, 447938584), (60, 335953938), (72, 279961615), (90, 223969292), (120, 167976969), (157, 128390040), (180, 111984646), (314, 64195020), (360, 55992323), (379, 53185320), (471, 42796680), (628, 32097510), (758, 26592660), (785, 25678008), (941, 21421080), (942, 21398340), (1137, 17728440), (1256, 16048755), (1413, 14265560), (1516, 13296330), (1570, 12839004), (1882, 10710540), (1884, 10699170), (1895, 10637064), (2274, 8864220), (2355, 8559336), (2823, 7140360), (2826, 7132780), (3032, 6648165), (3140, 6419502), (3411, 5909480), (3764, 5355270), (3768, 5349585), (3790, 5318532), (4548, 4432110), (4705, 4284216), (4710, 4279668), (5646, 3570180), (5652, 3566390), (5685, 3545688), (6280, 3209751), (6822, 2954740), (7065, 2853112), (7528, 2677635), (7580, 2659266), (8469, 2380120), (9096, 2216055), (9410, 2142108), (9420, 2139834), (11292, 1785090), (11304, 1783195), (11370, 1772844), (13644, 1477370), (14115, 1428072), (14130, 1426556), (15160, 1329633), (16938, 1190060), (17055, 1181896), (18820, 1071054), (18840, 1069917), (22584, 892545), (22740, 886422), (27288, 738685), (28230, 714036), (28260, 713278), (33876, 595030), (34110, 590948), (37640, 535527), (42345, 476024), (45480, 443211), (56460, 357018), (56520, 356639), (59503, 338760), (67752, 297515), (68220, 295474), (84690, 238012), (112920, 178509), (119006, 169380), (136440, 147737)]