19870585280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4519}}^1$

素因数の和:4707

約数の個数: 224

約数和(自身を含む): 58634741760

約数和(自身を除く): 38764156480

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, 130, 140, 151, 160, 182, 208, 224, 260, 280, 302, 320, 364, 416, 448, 455, 520, 560, 604, 728, 755, 832, 910, 1040, 1057, 1120, 1208, 1456, 1510, 1820, 1963, 2080, 2114, 2240, 2416, 2912, 3020, 3640, 3926, 4160, 4228, 4519, 4832, 5285, 5824, 6040, 7280, 7852, 8456, 9038, 9664, 9815, 10570, 12080, 13741, 14560, 15704, 16912, 18076, 19630, 21140, 22595, 24160, 27482, 29120, 31408, 31633, 33824, 36152, 39260, 42280, 45190, 48320, 54964, 58747, 62816, 63266, 67648, 68705, 72304, 78520, 84560, 90380, 109928, 117494, 125632, 126532, 137410, 144608, 157040, 158165, 169120, 180760, 219856, 234988, 253064, 274820, 289216, 293735, 314080, 316330, 338240, 361520, 411229, 439712, 469976, 506128, 549640, 587470, 628160, 632660, 682369, 723040, 822458, 879424, 939952, 1012256, 1099280, 1174940, 1265320, 1364738, 1446080, 1644916, 1879904, 2024512, 2056145, 2198560, 2349880, 2530640, 2729476, 3289832, 3411845, 3759808, 4112290, 4397120, 4699760, 4776583, 5061280, 5458952, 6579664, 6823690, 8224580, 8870797, 9399520, 9553166, 10122560, 10917904, 13159328, 13647380, 16449160, 17741594, 18799040, 19106332, 21835808, 23882915, 26318656, 27294760, 32898320, 35483188, 38212664, 43671616, 44353985, 47765830, 54589520, 62095579, 65796640, 70966376, 76425328, 88707970, 95531660, 109179040, 124191158, 131593280, 141932752, 152850656, 177415940, 191063320, 218358080, 248382316, 283865504, 305701312, 310477895, 354831880, 382126640, 496764632, 567731008, 620955790, 709663760, 764253280, 993529264, 1241911580, 1419327520, 1528506560, 1987058528, 2483823160, 2838655040, 3974117056, 4967646320, 9935292640, 19870585280]

約数ペア:

[(1, 19870585280), (2, 9935292640), (4, 4967646320), (5, 3974117056), (7, 2838655040), (8, 2483823160), (10, 1987058528), (13, 1528506560), (14, 1419327520), (16, 1241911580), (20, 993529264), (26, 764253280), (28, 709663760), (32, 620955790), (35, 567731008), (40, 496764632), (52, 382126640), (56, 354831880), (64, 310477895), (65, 305701312), (70, 283865504), (80, 248382316), (91, 218358080), (104, 191063320), (112, 177415940), (130, 152850656), (140, 141932752), (151, 131593280), (160, 124191158), (182, 109179040), (208, 95531660), (224, 88707970), (260, 76425328), (280, 70966376), (302, 65796640), (320, 62095579), (364, 54589520), (416, 47765830), (448, 44353985), (455, 43671616), (520, 38212664), (560, 35483188), (604, 32898320), (728, 27294760), (755, 26318656), (832, 23882915), (910, 21835808), (1040, 19106332), (1057, 18799040), (1120, 17741594), (1208, 16449160), (1456, 13647380), (1510, 13159328), (1820, 10917904), (1963, 10122560), (2080, 9553166), (2114, 9399520), (2240, 8870797), (2416, 8224580), (2912, 6823690), (3020, 6579664), (3640, 5458952), (3926, 5061280), (4160, 4776583), (4228, 4699760), (4519, 4397120), (4832, 4112290), (5285, 3759808), (5824, 3411845), (6040, 3289832), (7280, 2729476), (7852, 2530640), (8456, 2349880), (9038, 2198560), (9664, 2056145), (9815, 2024512), (10570, 1879904), (12080, 1644916), (13741, 1446080), (14560, 1364738), (15704, 1265320), (16912, 1174940), (18076, 1099280), (19630, 1012256), (21140, 939952), (22595, 879424), (24160, 822458), (27482, 723040), (29120, 682369), (31408, 632660), (31633, 628160), (33824, 587470), (36152, 549640), (39260, 506128), (42280, 469976), (45190, 439712), (48320, 411229), (54964, 361520), (58747, 338240), (62816, 316330), (63266, 314080), (67648, 293735), (68705, 289216), (72304, 274820), (78520, 253064), (84560, 234988), (90380, 219856), (109928, 180760), (117494, 169120), (125632, 158165), (126532, 157040), (137410, 144608)]