20187985440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{4937}}^1$

素因数の和:6179

約数の個数: 192

約数和(自身を含む): 72751198464

約数和(自身を除く): 52563213024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1217, 1680, 2434, 3360, 3651, 4868, 4937, 6085, 7302, 8519, 9736, 9874, 12170, 14604, 14811, 17038, 18255, 19472, 19748, 24340, 24685, 25557, 29208, 29622, 34076, 34559, 36510, 38944, 39496, 42595, 48680, 49370, 51114, 58416, 59244, 68152, 69118, 73020, 74055, 78992, 85190, 97360, 98740, 102228, 103677, 116832, 118488, 127785, 136304, 138236, 146040, 148110, 157984, 170380, 172795, 194720, 197480, 204456, 207354, 236976, 255570, 272608, 276472, 292080, 296220, 340760, 345590, 394960, 408912, 414708, 473952, 511140, 518385, 552944, 584160, 592440, 681520, 691180, 789920, 817824, 829416, 1022280, 1036770, 1105888, 1184880, 1363040, 1382360, 1658832, 2044560, 2073540, 2369760, 2764720, 3317664, 4089120, 4147080, 5529440, 6008329, 8294160, 12016658, 16588320, 18024987, 24033316, 30041645, 36049974, 42058303, 48066632, 60083290, 72099948, 84116606, 90124935, 96133264, 120166580, 126174909, 144199896, 168233212, 180249870, 192266528, 210291515, 240333160, 252349818, 288399792, 336466424, 360499740, 420583030, 480666320, 504699636, 576799584, 630874545, 672932848, 720999480, 841166060, 961332640, 1009399272, 1261749090, 1345865696, 1441998960, 1682332120, 2018798544, 2523498180, 2883997920, 3364664240, 4037597088, 5046996360, 6729328480, 10093992720, 20187985440]

約数ペア:

[(1, 20187985440), (2, 10093992720), (3, 6729328480), (4, 5046996360), (5, 4037597088), (6, 3364664240), (7, 2883997920), (8, 2523498180), (10, 2018798544), (12, 1682332120), (14, 1441998960), (15, 1345865696), (16, 1261749090), (20, 1009399272), (21, 961332640), (24, 841166060), (28, 720999480), (30, 672932848), (32, 630874545), (35, 576799584), (40, 504699636), (42, 480666320), (48, 420583030), (56, 360499740), (60, 336466424), (70, 288399792), (80, 252349818), (84, 240333160), (96, 210291515), (105, 192266528), (112, 180249870), (120, 168233212), (140, 144199896), (160, 126174909), (168, 120166580), (210, 96133264), (224, 90124935), (240, 84116606), (280, 72099948), (336, 60083290), (420, 48066632), (480, 42058303), (560, 36049974), (672, 30041645), (840, 24033316), (1120, 18024987), (1217, 16588320), (1680, 12016658), (2434, 8294160), (3360, 6008329), (3651, 5529440), (4868, 4147080), (4937, 4089120), (6085, 3317664), (7302, 2764720), (8519, 2369760), (9736, 2073540), (9874, 2044560), (12170, 1658832), (14604, 1382360), (14811, 1363040), (17038, 1184880), (18255, 1105888), (19472, 1036770), (19748, 1022280), (24340, 829416), (24685, 817824), (25557, 789920), (29208, 691180), (29622, 681520), (34076, 592440), (34559, 584160), (36510, 552944), (38944, 518385), (39496, 511140), (42595, 473952), (48680, 414708), (49370, 408912), (51114, 394960), (58416, 345590), (59244, 340760), (68152, 296220), (69118, 292080), (73020, 276472), (74055, 272608), (78992, 255570), (85190, 236976), (97360, 207354), (98740, 204456), (102228, 197480), (103677, 194720), (116832, 172795), (118488, 170380), (127785, 157984), (136304, 148110), (138236, 146040)]