20409975040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1457

約数の個数: 288

約数和(自身を含む): 60656762880

約数和(自身を除く): 40246787840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 137, 140, 160, 182, 208, 224, 256, 260, 274, 280, 320, 364, 416, 448, 455, 520, 548, 560, 640, 685, 728, 832, 896, 910, 959, 1040, 1096, 1120, 1279, 1280, 1370, 1456, 1664, 1781, 1792, 1820, 1918, 2080, 2192, 2240, 2558, 2740, 2912, 3328, 3562, 3640, 3836, 4160, 4384, 4480, 4795, 5116, 5480, 5824, 6395, 7124, 7280, 7672, 8320, 8768, 8905, 8953, 8960, 9590, 10232, 10960, 11648, 12467, 12790, 14248, 14560, 15344, 16627, 16640, 17536, 17810, 17906, 19180, 20464, 21920, 23296, 24934, 25580, 28496, 29120, 30688, 33254, 35072, 35620, 35812, 38360, 40928, 43840, 44765, 49868, 51160, 56992, 58240, 61376, 62335, 66508, 71240, 71624, 76720, 81856, 83135, 87680, 89530, 99736, 102320, 113984, 116389, 116480, 122752, 124670, 133016, 142480, 143248, 153440, 163712, 166270, 175223, 175360, 179060, 199472, 204640, 227968, 232778, 245504, 249340, 266032, 284960, 286496, 306880, 327424, 332540, 350446, 358120, 398944, 409280, 455936, 465556, 498680, 532064, 569920, 572992, 581945, 613760, 665080, 700892, 716240, 797888, 818560, 876115, 931112, 997360, 1064128, 1139840, 1145984, 1163890, 1226561, 1227520, 1330160, 1401784, 1432480, 1595776, 1637120, 1752230, 1862224, 1994720, 2128256, 2277899, 2279680, 2291968, 2327780, 2453122, 2660320, 2803568, 2864960, 3191552, 3504460, 3724448, 3989440, 4256512, 4555798, 4655560, 4906244, 5320640, 5607136, 5729920, 6132805, 7008920, 7448896, 7978880, 9111596, 9311120, 9812488, 10641280, 11214272, 11389495, 11459840, 12265610, 14017840, 14897792, 15945293, 15957760, 18223192, 18622240, 19624976, 21282560, 22428544, 22778990, 24531220, 28035680, 29795584, 31890586, 36446384, 37244480, 39249952, 44857088, 45557980, 49062440, 56071360, 63781172, 72892768, 74488960, 78499904, 79726465, 91115960, 98124880, 112142720, 127562344, 145785536, 148977920, 156999808, 159452930, 182231920, 196249760, 224285440, 255124688, 291571072, 313999616, 318905860, 364463840, 392499520, 510249376, 583142144, 637811720, 728927680, 784999040, 1020498752, 1275623440, 1457855360, 1569998080, 2040997504, 2551246880, 2915710720, 4081995008, 5102493760, 10204987520, 20409975040]

約数ペア:

[(1, 20409975040), (2, 10204987520), (4, 5102493760), (5, 4081995008), (7, 2915710720), (8, 2551246880), (10, 2040997504), (13, 1569998080), (14, 1457855360), (16, 1275623440), (20, 1020498752), (26, 784999040), (28, 728927680), (32, 637811720), (35, 583142144), (40, 510249376), (52, 392499520), (56, 364463840), (64, 318905860), (65, 313999616), (70, 291571072), (80, 255124688), (91, 224285440), (104, 196249760), (112, 182231920), (128, 159452930), (130, 156999808), (137, 148977920), (140, 145785536), (160, 127562344), (182, 112142720), (208, 98124880), (224, 91115960), (256, 79726465), (260, 78499904), (274, 74488960), (280, 72892768), (320, 63781172), (364, 56071360), (416, 49062440), (448, 45557980), (455, 44857088), (520, 39249952), (548, 37244480), (560, 36446384), (640, 31890586), (685, 29795584), (728, 28035680), (832, 24531220), (896, 22778990), (910, 22428544), (959, 21282560), (1040, 19624976), (1096, 18622240), (1120, 18223192), (1279, 15957760), (1280, 15945293), (1370, 14897792), (1456, 14017840), (1664, 12265610), (1781, 11459840), (1792, 11389495), (1820, 11214272), (1918, 10641280), (2080, 9812488), (2192, 9311120), (2240, 9111596), (2558, 7978880), (2740, 7448896), (2912, 7008920), (3328, 6132805), (3562, 5729920), (3640, 5607136), (3836, 5320640), (4160, 4906244), (4384, 4655560), (4480, 4555798), (4795, 4256512), (5116, 3989440), (5480, 3724448), (5824, 3504460), (6395, 3191552), (7124, 2864960), (7280, 2803568), (7672, 2660320), (8320, 2453122), (8768, 2327780), (8905, 2291968), (8953, 2279680), (8960, 2277899), (9590, 2128256), (10232, 1994720), (10960, 1862224), (11648, 1752230), (12467, 1637120), (12790, 1595776), (14248, 1432480), (14560, 1401784), (15344, 1330160), (16627, 1227520), (16640, 1226561), (17536, 1163890), (17810, 1145984), (17906, 1139840), (19180, 1064128), (20464, 997360), (21920, 931112), (23296, 876115), (24934, 818560), (25580, 797888), (28496, 716240), (29120, 700892), (30688, 665080), (33254, 613760), (35072, 581945), (35620, 572992), (35812, 569920), (38360, 532064), (40928, 498680), (43840, 465556), (44765, 455936), (49868, 409280), (51160, 398944), (56992, 358120), (58240, 350446), (61376, 332540), (62335, 327424), (66508, 306880), (71240, 286496), (71624, 284960), (76720, 266032), (81856, 249340), (83135, 245504), (87680, 232778), (89530, 227968), (99736, 204640), (102320, 199472), (113984, 179060), (116389, 175360), (116480, 175223), (122752, 166270), (124670, 163712), (133016, 153440), (142480, 143248)]