2185979880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 256

約数和(自身を含む): 7809269760

約数和(自身を除く): 5623289880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 127, 140, 155, 168, 186, 210, 217, 248, 254, 280, 310, 372, 381, 420, 434, 465, 508, 620, 635, 651, 661, 744, 762, 840, 868, 889, 930, 1016, 1085, 1240, 1270, 1302, 1322, 1524, 1736, 1778, 1860, 1905, 1983, 2170, 2540, 2604, 2644, 2667, 3048, 3255, 3305, 3556, 3720, 3810, 3937, 3966, 4340, 4445, 4627, 5080, 5208, 5288, 5334, 6510, 6610, 7112, 7620, 7874, 7932, 8680, 8890, 9254, 9915, 10668, 11811, 13020, 13220, 13335, 13881, 15240, 15748, 15864, 17780, 18508, 19685, 19830, 20491, 21336, 23135, 23622, 26040, 26440, 26670, 27559, 27762, 31496, 35560, 37016, 39370, 39660, 40982, 46270, 47244, 53340, 55118, 55524, 59055, 61473, 69405, 78740, 79320, 81964, 82677, 83947, 92540, 94488, 102455, 106680, 110236, 111048, 118110, 122946, 137795, 138810, 143437, 157480, 163928, 165354, 167894, 185080, 204910, 220472, 236220, 245892, 251841, 275590, 277620, 286874, 307365, 330708, 335788, 409820, 413385, 419735, 430311, 472440, 491784, 503682, 551180, 555240, 573748, 587629, 614730, 661416, 671576, 717185, 819640, 826770, 839470, 860622, 1007364, 1102360, 1147496, 1175258, 1229460, 1259205, 1434370, 1653540, 1678940, 1721244, 1762887, 2014728, 2151555, 2350516, 2458920, 2518410, 2602357, 2868740, 2938145, 3307080, 3357880, 3442488, 3525774, 4303110, 4701032, 5036820, 5204714, 5737480, 5876290, 7051548, 7807071, 8606220, 8814435, 10073640, 10409428, 11752580, 13011785, 14103096, 15614142, 17212440, 17628870, 18216499, 20818856, 23505160, 26023570, 31228284, 35257740, 36432998, 39035355, 52047140, 54649497, 62456568, 70515480, 72865996, 78070710, 91082495, 104094280, 109298994, 145731992, 156141420, 182164990, 218597988, 273247485, 312282840, 364329980, 437195976, 546494970, 728659960, 1092989940, 2185979880]

約数ペア:

[(1, 2185979880), (2, 1092989940), (3, 728659960), (4, 546494970), (5, 437195976), (6, 364329980), (7, 312282840), (8, 273247485), (10, 218597988), (12, 182164990), (14, 156141420), (15, 145731992), (20, 109298994), (21, 104094280), (24, 91082495), (28, 78070710), (30, 72865996), (31, 70515480), (35, 62456568), (40, 54649497), (42, 52047140), (56, 39035355), (60, 36432998), (62, 35257740), (70, 31228284), (84, 26023570), (93, 23505160), (105, 20818856), (120, 18216499), (124, 17628870), (127, 17212440), (140, 15614142), (155, 14103096), (168, 13011785), (186, 11752580), (210, 10409428), (217, 10073640), (248, 8814435), (254, 8606220), (280, 7807071), (310, 7051548), (372, 5876290), (381, 5737480), (420, 5204714), (434, 5036820), (465, 4701032), (508, 4303110), (620, 3525774), (635, 3442488), (651, 3357880), (661, 3307080), (744, 2938145), (762, 2868740), (840, 2602357), (868, 2518410), (889, 2458920), (930, 2350516), (1016, 2151555), (1085, 2014728), (1240, 1762887), (1270, 1721244), (1302, 1678940), (1322, 1653540), (1524, 1434370), (1736, 1259205), (1778, 1229460), (1860, 1175258), (1905, 1147496), (1983, 1102360), (2170, 1007364), (2540, 860622), (2604, 839470), (2644, 826770), (2667, 819640), (3048, 717185), (3255, 671576), (3305, 661416), (3556, 614730), (3720, 587629), (3810, 573748), (3937, 555240), (3966, 551180), (4340, 503682), (4445, 491784), (4627, 472440), (5080, 430311), (5208, 419735), (5288, 413385), (5334, 409820), (6510, 335788), (6610, 330708), (7112, 307365), (7620, 286874), (7874, 277620), (7932, 275590), (8680, 251841), (8890, 245892), (9254, 236220), (9915, 220472), (10668, 204910), (11811, 185080), (13020, 167894), (13220, 165354), (13335, 163928), (13881, 157480), (15240, 143437), (15748, 138810), (15864, 137795), (17780, 122946), (18508, 118110), (19685, 111048), (19830, 110236), (20491, 106680), (21336, 102455), (23135, 94488), (23622, 92540), (26040, 83947), (26440, 82677), (26670, 81964), (27559, 79320), (27762, 78740), (31496, 69405), (35560, 61473), (37016, 59055), (39370, 55524), (39660, 55118), (40982, 53340), (46270, 47244)]