1555991808

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 4973101056

約数和(自身を除く): 3417109248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 53, 56, 64, 84, 86, 96, 106, 112, 127, 128, 129, 159, 168, 172, 192, 212, 224, 254, 256, 258, 301, 318, 336, 344, 371, 381, 384, 424, 448, 508, 516, 602, 636, 672, 688, 742, 762, 768, 848, 889, 896, 903, 1016, 1032, 1113, 1204, 1272, 1344, 1376, 1484, 1524, 1696, 1778, 1792, 1806, 2032, 2064, 2226, 2279, 2408, 2544, 2667, 2688, 2752, 2968, 3048, 3392, 3556, 3612, 4064, 4128, 4452, 4558, 4816, 5088, 5334, 5376, 5461, 5504, 5936, 6096, 6731, 6784, 6837, 7112, 7224, 8128, 8256, 8904, 9116, 9632, 10176, 10668, 10922, 11008, 11872, 12192, 13462, 13568, 13674, 14224, 14448, 15953, 16256, 16383, 16512, 17808, 18232, 19264, 20193, 20352, 21336, 21844, 23744, 24384, 26924, 27348, 28448, 28896, 31906, 32512, 32766, 33024, 35616, 36464, 38227, 38528, 40386, 40704, 42672, 43688, 47117, 47488, 47859, 48768, 53848, 54696, 56896, 57792, 63812, 65532, 71232, 72928, 76454, 77056, 80772, 85344, 87376, 94234, 94976, 95718, 97536, 107696, 109392, 113792, 114681, 115584, 127624, 131064, 141351, 142464, 145856, 152908, 161544, 170688, 174752, 188468, 191436, 215392, 218784, 227584, 229362, 231168, 255248, 262128, 282702, 284928, 289433, 291712, 305816, 323088, 341376, 349504, 376936, 382872, 430784, 437568, 458724, 510496, 524256, 565404, 578866, 583424, 611632, 646176, 682752, 699008, 753872, 765744, 861568, 868299, 875136, 917448, 1020992, 1048512, 1130808, 1157732, 1223264, 1292352, 1398016, 1507744, 1531488, 1723136, 1736598, 1750272, 1834896, 2026031, 2041984, 2097024, 2261616, 2315464, 2446528, 2584704, 3015488, 3062976, 3473196, 3669792, 4052062, 4083968, 4194048, 4523232, 4630928, 4893056, 5169408, 6030976, 6078093, 6125952, 6946392, 7339584, 8104124, 9046464, 9261856, 9786112, 12061952, 12156186, 12251904, 13892784, 14679168, 16208248, 18092928, 18523712, 24312372, 27785568, 29358336, 32416496, 36185856, 37047424, 48624744, 55571136, 64832992, 74094848, 97249488, 111142272, 129665984, 194498976, 222284544, 259331968, 388997952, 518663936, 777995904, 1555991808]

約数ペア:

[(1, 1555991808), (2, 777995904), (3, 518663936), (4, 388997952), (6, 259331968), (7, 222284544), (8, 194498976), (12, 129665984), (14, 111142272), (16, 97249488), (21, 74094848), (24, 64832992), (28, 55571136), (32, 48624744), (42, 37047424), (43, 36185856), (48, 32416496), (53, 29358336), (56, 27785568), (64, 24312372), (84, 18523712), (86, 18092928), (96, 16208248), (106, 14679168), (112, 13892784), (127, 12251904), (128, 12156186), (129, 12061952), (159, 9786112), (168, 9261856), (172, 9046464), (192, 8104124), (212, 7339584), (224, 6946392), (254, 6125952), (256, 6078093), (258, 6030976), (301, 5169408), (318, 4893056), (336, 4630928), (344, 4523232), (371, 4194048), (381, 4083968), (384, 4052062), (424, 3669792), (448, 3473196), (508, 3062976), (516, 3015488), (602, 2584704), (636, 2446528), (672, 2315464), (688, 2261616), (742, 2097024), (762, 2041984), (768, 2026031), (848, 1834896), (889, 1750272), (896, 1736598), (903, 1723136), (1016, 1531488), (1032, 1507744), (1113, 1398016), (1204, 1292352), (1272, 1223264), (1344, 1157732), (1376, 1130808), (1484, 1048512), (1524, 1020992), (1696, 917448), (1778, 875136), (1792, 868299), (1806, 861568), (2032, 765744), (2064, 753872), (2226, 699008), (2279, 682752), (2408, 646176), (2544, 611632), (2667, 583424), (2688, 578866), (2752, 565404), (2968, 524256), (3048, 510496), (3392, 458724), (3556, 437568), (3612, 430784), (4064, 382872), (4128, 376936), (4452, 349504), (4558, 341376), (4816, 323088), (5088, 305816), (5334, 291712), (5376, 289433), (5461, 284928), (5504, 282702), (5936, 262128), (6096, 255248), (6731, 231168), (6784, 229362), (6837, 227584), (7112, 218784), (7224, 215392), (8128, 191436), (8256, 188468), (8904, 174752), (9116, 170688), (9632, 161544), (10176, 152908), (10668, 145856), (10922, 142464), (11008, 141351), (11872, 131064), (12192, 127624), (13462, 115584), (13568, 114681), (13674, 113792), (14224, 109392), (14448, 107696), (15953, 97536), (16256, 95718), (16383, 94976), (16512, 94234), (17808, 87376), (18232, 85344), (19264, 80772), (20193, 77056), (20352, 76454), (21336, 72928), (21844, 71232), (23744, 65532), (24384, 63812), (26924, 57792), (27348, 56896), (28448, 54696), (28896, 53848), (31906, 48768), (32512, 47859), (32766, 47488), (33024, 47117), (35616, 43688), (36464, 42672), (38227, 40704), (38528, 40386)]