2560785920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1233

約数の個数: 240

約数和(自身を含む): 7719443424

約数和(自身を除く): 5158657504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 256, 280, 308, 320, 352, 385, 440, 448, 484, 512, 560, 605, 616, 640, 704, 770, 847, 880, 896, 968, 1120, 1181, 1210, 1232, 1280, 1408, 1540, 1694, 1760, 1792, 1936, 2240, 2362, 2420, 2464, 2560, 2816, 3080, 3388, 3520, 3584, 3872, 4235, 4480, 4724, 4840, 4928, 5632, 5905, 6160, 6776, 7040, 7744, 8267, 8470, 8960, 9448, 9680, 9856, 11810, 12320, 12991, 13552, 14080, 15488, 16534, 16940, 17920, 18896, 19360, 19712, 23620, 24640, 25982, 27104, 28160, 30976, 33068, 33880, 37792, 38720, 39424, 41335, 47240, 49280, 51964, 54208, 61952, 64955, 66136, 67760, 75584, 77440, 82670, 90937, 94480, 98560, 103928, 108416, 129910, 132272, 135520, 142901, 151168, 154880, 165340, 181874, 188960, 197120, 207856, 216832, 259820, 264544, 271040, 285802, 302336, 309760, 330680, 363748, 377920, 415712, 433664, 454685, 519640, 529088, 542080, 571604, 604672, 661360, 714505, 727496, 755840, 831424, 909370, 1000307, 1039280, 1058176, 1084160, 1143208, 1322720, 1429010, 1454992, 1511680, 1662848, 1818740, 2000614, 2078560, 2116352, 2168320, 2286416, 2645440, 2858020, 2909984, 3023360, 3325696, 3637480, 4001228, 4157120, 4232704, 4572832, 5001535, 5290880, 5716040, 5819968, 6651392, 7274960, 8002456, 8314240, 9145664, 10003070, 10581760, 11432080, 11639936, 14549920, 16004912, 16628480, 18291328, 20006140, 21163520, 22864160, 23279872, 29099840, 32009824, 33256960, 36582656, 40012280, 45728320, 46559744, 58199680, 64019648, 73165312, 80024560, 91456640, 116399360, 128039296, 160049120, 182913280, 232798720, 256078592, 320098240, 365826560, 512157184, 640196480, 1280392960, 2560785920]

約数ペア:

[(1, 2560785920), (2, 1280392960), (4, 640196480), (5, 512157184), (7, 365826560), (8, 320098240), (10, 256078592), (11, 232798720), (14, 182913280), (16, 160049120), (20, 128039296), (22, 116399360), (28, 91456640), (32, 80024560), (35, 73165312), (40, 64019648), (44, 58199680), (55, 46559744), (56, 45728320), (64, 40012280), (70, 36582656), (77, 33256960), (80, 32009824), (88, 29099840), (110, 23279872), (112, 22864160), (121, 21163520), (128, 20006140), (140, 18291328), (154, 16628480), (160, 16004912), (176, 14549920), (220, 11639936), (224, 11432080), (242, 10581760), (256, 10003070), (280, 9145664), (308, 8314240), (320, 8002456), (352, 7274960), (385, 6651392), (440, 5819968), (448, 5716040), (484, 5290880), (512, 5001535), (560, 4572832), (605, 4232704), (616, 4157120), (640, 4001228), (704, 3637480), (770, 3325696), (847, 3023360), (880, 2909984), (896, 2858020), (968, 2645440), (1120, 2286416), (1181, 2168320), (1210, 2116352), (1232, 2078560), (1280, 2000614), (1408, 1818740), (1540, 1662848), (1694, 1511680), (1760, 1454992), (1792, 1429010), (1936, 1322720), (2240, 1143208), (2362, 1084160), (2420, 1058176), (2464, 1039280), (2560, 1000307), (2816, 909370), (3080, 831424), (3388, 755840), (3520, 727496), (3584, 714505), (3872, 661360), (4235, 604672), (4480, 571604), (4724, 542080), (4840, 529088), (4928, 519640), (5632, 454685), (5905, 433664), (6160, 415712), (6776, 377920), (7040, 363748), (7744, 330680), (8267, 309760), (8470, 302336), (8960, 285802), (9448, 271040), (9680, 264544), (9856, 259820), (11810, 216832), (12320, 207856), (12991, 197120), (13552, 188960), (14080, 181874), (15488, 165340), (16534, 154880), (16940, 151168), (17920, 142901), (18896, 135520), (19360, 132272), (19712, 129910), (23620, 108416), (24640, 103928), (25982, 98560), (27104, 94480), (28160, 90937), (30976, 82670), (33068, 77440), (33880, 75584), (37792, 67760), (38720, 66136), (39424, 64955), (41335, 61952), (47240, 54208), (49280, 51964)]