20218162560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 384

約数和(自身を含む): 69441926400

約数和(自身を除く): 49223763840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 83, 85, 96, 102, 120, 128, 136, 160, 166, 170, 192, 204, 240, 249, 255, 272, 289, 320, 332, 340, 384, 408, 415, 439, 480, 498, 510, 544, 578, 640, 664, 680, 816, 830, 867, 878, 960, 996, 1020, 1088, 1156, 1245, 1317, 1328, 1360, 1411, 1445, 1632, 1660, 1734, 1756, 1920, 1992, 2040, 2176, 2195, 2312, 2490, 2634, 2656, 2720, 2822, 2890, 3264, 3320, 3468, 3512, 3984, 4080, 4233, 4335, 4390, 4624, 4980, 5268, 5312, 5440, 5644, 5780, 6528, 6585, 6640, 6936, 7024, 7055, 7463, 7968, 8160, 8466, 8670, 8780, 9248, 9960, 10536, 10624, 10880, 11288, 11560, 13170, 13280, 13872, 14048, 14110, 14926, 15936, 16320, 16932, 17340, 17560, 18496, 19920, 21072, 21165, 22389, 22576, 23120, 23987, 26340, 26560, 27744, 28096, 28220, 29852, 31872, 32640, 33864, 34680, 35120, 36437, 36992, 37315, 39840, 42144, 42330, 44778, 45152, 46240, 47974, 52680, 53120, 55488, 56192, 56440, 59704, 67728, 69360, 70240, 71961, 72874, 74630, 79680, 84288, 84660, 89556, 90304, 92480, 95948, 105360, 109311, 110976, 111945, 112880, 119408, 119935, 126871, 135456, 138720, 140480, 143922, 145748, 149260, 159360, 168576, 169320, 179112, 180608, 182185, 184960, 191896, 210720, 218622, 223890, 225760, 238816, 239870, 253742, 270912, 277440, 280960, 287844, 291496, 298520, 338640, 358224, 359805, 364370, 380613, 383792, 421440, 437244, 447780, 451520, 477632, 479740, 507484, 541824, 546555, 554880, 575688, 582992, 597040, 619429, 634355, 677280, 716448, 719610, 728740, 761226, 767584, 842880, 874488, 895560, 903040, 955264, 959480, 1014968, 1093110, 1151376, 1165984, 1194080, 1238858, 1268710, 1354560, 1432896, 1439220, 1457480, 1522452, 1535168, 1748976, 1791120, 1858287, 1903065, 1918960, 2029936, 2186220, 2302752, 2331968, 2388160, 2477716, 2537420, 2709120, 2865792, 2878440, 2914960, 3044904, 3070336, 3097145, 3497952, 3582240, 3716574, 3806130, 3837920, 4059872, 4372440, 4605504, 4663936, 4776320, 4955432, 5074840, 5756880, 5829920, 6089808, 6194290, 6995904, 7164480, 7433148, 7612260, 7675840, 8119744, 8744880, 9211008, 9291435, 9910864, 10149680, 10530293, 11513760, 11659840, 12179616, 12388580, 13991808, 14328960, 14866296, 15224520, 15351680, 16239488, 17489760, 18582870, 19821728, 20299360, 21060586, 23027520, 23319680, 24359232, 24777160, 29732592, 30449040, 31590879, 34979520, 37165740, 39643456, 40598720, 42121172, 46055040, 48718464, 49554320, 52651465, 59465184, 60898080, 63181758, 69959040, 74331480, 79286912, 81197440, 84242344, 99108640, 105302930, 118930368, 121796160, 126363516, 148662960, 157954395, 168484688, 198217280, 210605860, 237860736, 243592320, 252727032, 297325920, 315908790, 336969376, 396434560, 421211720, 505454064, 594651840, 631817580, 673938752, 842423440, 1010908128, 1189303680, 1263635160, 1347877504, 1684846880, 2021816256, 2527270320, 3369693760, 4043632512, 5054540640, 6739387520, 10109081280, 20218162560]

約数ペア:

[(1, 20218162560), (2, 10109081280), (3, 6739387520), (4, 5054540640), (5, 4043632512), (6, 3369693760), (8, 2527270320), (10, 2021816256), (12, 1684846880), (15, 1347877504), (16, 1263635160), (17, 1189303680), (20, 1010908128), (24, 842423440), (30, 673938752), (32, 631817580), (34, 594651840), (40, 505454064), (48, 421211720), (51, 396434560), (60, 336969376), (64, 315908790), (68, 297325920), (80, 252727032), (83, 243592320), (85, 237860736), (96, 210605860), (102, 198217280), (120, 168484688), (128, 157954395), (136, 148662960), (160, 126363516), (166, 121796160), (170, 118930368), (192, 105302930), (204, 99108640), (240, 84242344), (249, 81197440), (255, 79286912), (272, 74331480), (289, 69959040), (320, 63181758), (332, 60898080), (340, 59465184), (384, 52651465), (408, 49554320), (415, 48718464), (439, 46055040), (480, 42121172), (498, 40598720), (510, 39643456), (544, 37165740), (578, 34979520), (640, 31590879), (664, 30449040), (680, 29732592), (816, 24777160), (830, 24359232), (867, 23319680), (878, 23027520), (960, 21060586), (996, 20299360), (1020, 19821728), (1088, 18582870), (1156, 17489760), (1245, 16239488), (1317, 15351680), (1328, 15224520), (1360, 14866296), (1411, 14328960), (1445, 13991808), (1632, 12388580), (1660, 12179616), (1734, 11659840), (1756, 11513760), (1920, 10530293), (1992, 10149680), (2040, 9910864), (2176, 9291435), (2195, 9211008), (2312, 8744880), (2490, 8119744), (2634, 7675840), (2656, 7612260), (2720, 7433148), (2822, 7164480), (2890, 6995904), (3264, 6194290), (3320, 6089808), (3468, 5829920), (3512, 5756880), (3984, 5074840), (4080, 4955432), (4233, 4776320), (4335, 4663936), (4390, 4605504), (4624, 4372440), (4980, 4059872), (5268, 3837920), (5312, 3806130), (5440, 3716574), (5644, 3582240), (5780, 3497952), (6528, 3097145), (6585, 3070336), (6640, 3044904), (6936, 2914960), (7024, 2878440), (7055, 2865792), (7463, 2709120), (7968, 2537420), (8160, 2477716), (8466, 2388160), (8670, 2331968), (8780, 2302752), (9248, 2186220), (9960, 2029936), (10536, 1918960), (10624, 1903065), (10880, 1858287), (11288, 1791120), (11560, 1748976), (13170, 1535168), (13280, 1522452), (13872, 1457480), (14048, 1439220), (14110, 1432896), (14926, 1354560), (15936, 1268710), (16320, 1238858), (16932, 1194080), (17340, 1165984), (17560, 1151376), (18496, 1093110), (19920, 1014968), (21072, 959480), (21165, 955264), (22389, 903040), (22576, 895560), (23120, 874488), (23987, 842880), (26340, 767584), (26560, 761226), (27744, 728740), (28096, 719610), (28220, 716448), (29852, 677280), (31872, 634355), (32640, 619429), (33864, 597040), (34680, 582992), (35120, 575688), (36437, 554880), (36992, 546555), (37315, 541824), (39840, 507484), (42144, 479740), (42330, 477632), (44778, 451520), (45152, 447780), (46240, 437244), (47974, 421440), (52680, 383792), (53120, 380613), (55488, 364370), (56192, 359805), (56440, 358224), (59704, 338640), (67728, 298520), (69360, 291496), (70240, 287844), (71961, 280960), (72874, 277440), (74630, 270912), (79680, 253742), (84288, 239870), (84660, 238816), (89556, 225760), (90304, 223890), (92480, 218622), (95948, 210720), (105360, 191896), (109311, 184960), (110976, 182185), (111945, 180608), (112880, 179112), (119408, 169320), (119935, 168576), (126871, 159360), (135456, 149260), (138720, 145748), (140480, 143922)]