1978285920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1097}}^1$

素因数の和:1162

約数の個数: 288

約数和(自身を含む): 7135436448

約数和(自身を除く): 5157150528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 195, 204, 208, 221, 240, 255, 260, 272, 289, 312, 340, 390, 408, 416, 442, 480, 510, 520, 544, 578, 624, 663, 680, 780, 816, 867, 884, 1020, 1040, 1097, 1105, 1156, 1248, 1326, 1360, 1445, 1560, 1632, 1734, 1768, 2040, 2080, 2194, 2210, 2312, 2652, 2720, 2890, 3120, 3291, 3315, 3468, 3536, 3757, 4080, 4335, 4388, 4420, 4624, 5304, 5485, 5780, 6240, 6582, 6630, 6936, 7072, 7514, 8160, 8670, 8776, 8840, 9248, 10608, 10970, 11271, 11560, 13164, 13260, 13872, 14261, 15028, 16455, 17340, 17552, 17680, 18649, 18785, 21216, 21940, 22542, 23120, 26328, 26520, 27744, 28522, 30056, 32910, 34680, 35104, 35360, 37298, 37570, 42783, 43880, 45084, 46240, 52656, 53040, 55947, 56355, 57044, 60112, 65820, 69360, 71305, 74596, 75140, 85566, 87760, 90168, 93245, 105312, 106080, 111894, 112710, 114088, 120224, 131640, 138720, 142610, 149192, 150280, 171132, 175520, 180336, 186490, 213915, 223788, 225420, 228176, 242437, 263280, 279735, 285220, 298384, 300560, 317033, 342264, 360672, 372980, 427830, 447576, 450840, 456352, 484874, 526560, 559470, 570440, 596768, 601120, 634066, 684528, 727311, 745960, 855660, 895152, 901680, 951099, 969748, 1118940, 1140880, 1212185, 1268132, 1369056, 1454622, 1491920, 1585165, 1711320, 1790304, 1803360, 1902198, 1939496, 2237880, 2281760, 2424370, 2536264, 2909244, 2983840, 3170330, 3422640, 3636555, 3804396, 3878992, 4121429, 4475760, 4755495, 4848740, 5072528, 5818488, 6340660, 6845280, 7273110, 7608792, 7757984, 8242858, 8951520, 9510990, 9697480, 10145056, 11636976, 12364287, 12681320, 14546220, 15217584, 16485716, 19021980, 19394960, 20607145, 23273952, 24728574, 25362640, 29092440, 30435168, 32971432, 38043960, 38789920, 41214290, 49457148, 50725280, 58184880, 61821435, 65942864, 76087920, 82428580, 98914296, 116369760, 123642870, 131885728, 152175840, 164857160, 197828592, 247285740, 329714320, 395657184, 494571480, 659428640, 989142960, 1978285920]

約数ペア:

[(1, 1978285920), (2, 989142960), (3, 659428640), (4, 494571480), (5, 395657184), (6, 329714320), (8, 247285740), (10, 197828592), (12, 164857160), (13, 152175840), (15, 131885728), (16, 123642870), (17, 116369760), (20, 98914296), (24, 82428580), (26, 76087920), (30, 65942864), (32, 61821435), (34, 58184880), (39, 50725280), (40, 49457148), (48, 41214290), (51, 38789920), (52, 38043960), (60, 32971432), (65, 30435168), (68, 29092440), (78, 25362640), (80, 24728574), (85, 23273952), (96, 20607145), (102, 19394960), (104, 19021980), (120, 16485716), (130, 15217584), (136, 14546220), (156, 12681320), (160, 12364287), (170, 11636976), (195, 10145056), (204, 9697480), (208, 9510990), (221, 8951520), (240, 8242858), (255, 7757984), (260, 7608792), (272, 7273110), (289, 6845280), (312, 6340660), (340, 5818488), (390, 5072528), (408, 4848740), (416, 4755495), (442, 4475760), (480, 4121429), (510, 3878992), (520, 3804396), (544, 3636555), (578, 3422640), (624, 3170330), (663, 2983840), (680, 2909244), (780, 2536264), (816, 2424370), (867, 2281760), (884, 2237880), (1020, 1939496), (1040, 1902198), (1097, 1803360), (1105, 1790304), (1156, 1711320), (1248, 1585165), (1326, 1491920), (1360, 1454622), (1445, 1369056), (1560, 1268132), (1632, 1212185), (1734, 1140880), (1768, 1118940), (2040, 969748), (2080, 951099), (2194, 901680), (2210, 895152), (2312, 855660), (2652, 745960), (2720, 727311), (2890, 684528), (3120, 634066), (3291, 601120), (3315, 596768), (3468, 570440), (3536, 559470), (3757, 526560), (4080, 484874), (4335, 456352), (4388, 450840), (4420, 447576), (4624, 427830), (5304, 372980), (5485, 360672), (5780, 342264), (6240, 317033), (6582, 300560), (6630, 298384), (6936, 285220), (7072, 279735), (7514, 263280), (8160, 242437), (8670, 228176), (8776, 225420), (8840, 223788), (9248, 213915), (10608, 186490), (10970, 180336), (11271, 175520), (11560, 171132), (13164, 150280), (13260, 149192), (13872, 142610), (14261, 138720), (15028, 131640), (16455, 120224), (17340, 114088), (17552, 112710), (17680, 111894), (18649, 106080), (18785, 105312), (21216, 93245), (21940, 90168), (22542, 87760), (23120, 85566), (26328, 75140), (26520, 74596), (27744, 71305), (28522, 69360), (30056, 65820), (32910, 60112), (34680, 57044), (35104, 56355), (35360, 55947), (37298, 53040), (37570, 52656), (42783, 46240), (43880, 45084)]