1981168560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5867}}^1$

素因数の和:5960

約数の個数: 240

約数和(自身を含む): 7718720256

約数和(自身を除く): 5737551696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 105, 112, 120, 126, 134, 140, 144, 168, 180, 201, 210, 240, 252, 268, 280, 315, 335, 336, 360, 402, 420, 469, 504, 536, 560, 603, 630, 670, 720, 804, 840, 938, 1005, 1008, 1072, 1206, 1260, 1340, 1407, 1608, 1680, 1876, 2010, 2345, 2412, 2520, 2680, 2814, 3015, 3216, 3752, 4020, 4221, 4690, 4824, 5040, 5360, 5628, 5867, 6030, 7035, 7504, 8040, 8442, 9380, 9648, 11256, 11734, 12060, 14070, 16080, 16884, 17601, 18760, 21105, 22512, 23468, 24120, 28140, 29335, 33768, 35202, 37520, 41069, 42210, 46936, 48240, 52803, 56280, 58670, 67536, 70404, 82138, 84420, 88005, 93872, 105606, 112560, 117340, 123207, 140808, 164276, 168840, 176010, 205345, 211212, 234680, 246414, 264015, 281616, 328552, 337680, 352020, 369621, 393089, 410690, 422424, 469360, 492828, 528030, 616035, 657104, 704040, 739242, 786178, 821380, 844848, 985656, 1056060, 1179267, 1232070, 1408080, 1478484, 1572356, 1642760, 1848105, 1965445, 1971312, 2112120, 2358534, 2464140, 2751623, 2956968, 3144712, 3285520, 3537801, 3696210, 3930890, 4224240, 4717068, 4928280, 5503246, 5896335, 5913936, 6289424, 7075602, 7392420, 7861780, 8254869, 9434136, 9856560, 11006492, 11792670, 13758115, 14151204, 14784840, 15723560, 16509738, 17689005, 18868272, 22012984, 23585340, 24764607, 27516230, 28302408, 29569680, 31447120, 33019476, 35378010, 41274345, 44025968, 47170680, 49529214, 55032460, 56604816, 66038952, 70756020, 82548690, 94341360, 99058428, 110064920, 123823035, 132077904, 141512040, 165097380, 198116856, 220129840, 247646070, 283024080, 330194760, 396233712, 495292140, 660389520, 990584280, 1981168560]

約数ペア:

[(1, 1981168560), (2, 990584280), (3, 660389520), (4, 495292140), (5, 396233712), (6, 330194760), (7, 283024080), (8, 247646070), (9, 220129840), (10, 198116856), (12, 165097380), (14, 141512040), (15, 132077904), (16, 123823035), (18, 110064920), (20, 99058428), (21, 94341360), (24, 82548690), (28, 70756020), (30, 66038952), (35, 56604816), (36, 55032460), (40, 49529214), (42, 47170680), (45, 44025968), (48, 41274345), (56, 35378010), (60, 33019476), (63, 31447120), (67, 29569680), (70, 28302408), (72, 27516230), (80, 24764607), (84, 23585340), (90, 22012984), (105, 18868272), (112, 17689005), (120, 16509738), (126, 15723560), (134, 14784840), (140, 14151204), (144, 13758115), (168, 11792670), (180, 11006492), (201, 9856560), (210, 9434136), (240, 8254869), (252, 7861780), (268, 7392420), (280, 7075602), (315, 6289424), (335, 5913936), (336, 5896335), (360, 5503246), (402, 4928280), (420, 4717068), (469, 4224240), (504, 3930890), (536, 3696210), (560, 3537801), (603, 3285520), (630, 3144712), (670, 2956968), (720, 2751623), (804, 2464140), (840, 2358534), (938, 2112120), (1005, 1971312), (1008, 1965445), (1072, 1848105), (1206, 1642760), (1260, 1572356), (1340, 1478484), (1407, 1408080), (1608, 1232070), (1680, 1179267), (1876, 1056060), (2010, 985656), (2345, 844848), (2412, 821380), (2520, 786178), (2680, 739242), (2814, 704040), (3015, 657104), (3216, 616035), (3752, 528030), (4020, 492828), (4221, 469360), (4690, 422424), (4824, 410690), (5040, 393089), (5360, 369621), (5628, 352020), (5867, 337680), (6030, 328552), (7035, 281616), (7504, 264015), (8040, 246414), (8442, 234680), (9380, 211212), (9648, 205345), (11256, 176010), (11734, 168840), (12060, 164276), (14070, 140808), (16080, 123207), (16884, 117340), (17601, 112560), (18760, 105606), (21105, 93872), (22512, 88005), (23468, 84420), (24120, 82138), (28140, 70404), (29335, 67536), (33768, 58670), (35202, 56280), (37520, 52803), (41069, 48240), (42210, 46936)]