28390320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 240

約数和(自身を含む): 112349952

約数和(自身を除く): 83959632

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, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 131, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 262, 280, 301, 315, 336, 344, 360, 387, 393, 420, 430, 504, 516, 524, 560, 602, 630, 645, 655, 688, 720, 774, 786, 840, 860, 903, 917, 1008, 1032, 1048, 1179, 1204, 1260, 1290, 1310, 1505, 1548, 1572, 1680, 1720, 1806, 1834, 1935, 1965, 2064, 2096, 2358, 2408, 2520, 2580, 2620, 2709, 2751, 3010, 3096, 3144, 3440, 3612, 3668, 3870, 3930, 4515, 4585, 4716, 4816, 5040, 5160, 5240, 5418, 5502, 5633, 5895, 6020, 6192, 6288, 7224, 7336, 7740, 7860, 8253, 9030, 9170, 9432, 10320, 10480, 10836, 11004, 11266, 11790, 12040, 13545, 13755, 14448, 14672, 15480, 15720, 16506, 16899, 18060, 18340, 18864, 21672, 22008, 22532, 23580, 24080, 27090, 27510, 28165, 30960, 31440, 33012, 33798, 36120, 36680, 39431, 41265, 43344, 44016, 45064, 47160, 50697, 54180, 55020, 56330, 66024, 67596, 72240, 73360, 78862, 82530, 84495, 90128, 94320, 101394, 108360, 110040, 112660, 118293, 132048, 135192, 157724, 165060, 168990, 197155, 202788, 216720, 220080, 225320, 236586, 253485, 270384, 315448, 330120, 337980, 354879, 394310, 405576, 450640, 473172, 506970, 591465, 630896, 660240, 675960, 709758, 788620, 811152, 946344, 1013940, 1182930, 1351920, 1419516, 1577240, 1774395, 1892688, 2027880, 2365860, 2839032, 3154480, 3548790, 4055760, 4731720, 5678064, 7097580, 9463440, 14195160, 28390320]

約数ペア:

[(1, 28390320), (2, 14195160), (3, 9463440), (4, 7097580), (5, 5678064), (6, 4731720), (7, 4055760), (8, 3548790), (9, 3154480), (10, 2839032), (12, 2365860), (14, 2027880), (15, 1892688), (16, 1774395), (18, 1577240), (20, 1419516), (21, 1351920), (24, 1182930), (28, 1013940), (30, 946344), (35, 811152), (36, 788620), (40, 709758), (42, 675960), (43, 660240), (45, 630896), (48, 591465), (56, 506970), (60, 473172), (63, 450640), (70, 405576), (72, 394310), (80, 354879), (84, 337980), (86, 330120), (90, 315448), (105, 270384), (112, 253485), (120, 236586), (126, 225320), (129, 220080), (131, 216720), (140, 202788), (144, 197155), (168, 168990), (172, 165060), (180, 157724), (210, 135192), (215, 132048), (240, 118293), (252, 112660), (258, 110040), (262, 108360), (280, 101394), (301, 94320), (315, 90128), (336, 84495), (344, 82530), (360, 78862), (387, 73360), (393, 72240), (420, 67596), (430, 66024), (504, 56330), (516, 55020), (524, 54180), (560, 50697), (602, 47160), (630, 45064), (645, 44016), (655, 43344), (688, 41265), (720, 39431), (774, 36680), (786, 36120), (840, 33798), (860, 33012), (903, 31440), (917, 30960), (1008, 28165), (1032, 27510), (1048, 27090), (1179, 24080), (1204, 23580), (1260, 22532), (1290, 22008), (1310, 21672), (1505, 18864), (1548, 18340), (1572, 18060), (1680, 16899), (1720, 16506), (1806, 15720), (1834, 15480), (1935, 14672), (1965, 14448), (2064, 13755), (2096, 13545), (2358, 12040), (2408, 11790), (2520, 11266), (2580, 11004), (2620, 10836), (2709, 10480), (2751, 10320), (3010, 9432), (3096, 9170), (3144, 9030), (3440, 8253), (3612, 7860), (3668, 7740), (3870, 7336), (3930, 7224), (4515, 6288), (4585, 6192), (4716, 6020), (4816, 5895), (5040, 5633), (5160, 5502), (5240, 5418)]