641122560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1470

約数の個数: 288

約数和(自身を含む): 2451818880

約数和(自身を除く): 1810696320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 768, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1280, 1404, 1427, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2304, 2340, 2496, 2808, 2854, 2880, 3120, 3328, 3456, 3510, 3744, 3840, 4160, 4281, 4320, 4680, 4992, 5616, 5708, 5760, 6240, 6912, 7020, 7135, 7488, 8320, 8562, 8640, 9360, 9984, 11232, 11416, 11520, 12480, 12843, 14040, 14270, 14976, 16640, 17124, 17280, 18551, 18720, 21405, 22464, 22832, 24960, 25686, 28080, 28540, 29952, 34248, 34560, 37102, 37440, 38529, 42810, 44928, 45664, 49920, 51372, 55653, 56160, 57080, 64215, 68496, 74204, 74880, 77058, 85620, 89856, 91328, 92755, 102744, 111306, 112320, 114160, 128430, 136992, 148408, 149760, 154116, 166959, 171240, 182656, 185510, 192645, 205488, 222612, 224640, 228320, 256860, 273984, 278265, 296816, 308232, 333918, 342480, 365312, 371020, 385290, 410976, 445224, 449280, 456640, 500877, 513720, 547968, 556530, 593632, 616464, 667836, 684960, 742040, 770580, 821952, 834795, 890448, 913280, 1001754, 1027440, 1095936, 1113060, 1187264, 1232928, 1335672, 1369920, 1484080, 1541160, 1643904, 1669590, 1780896, 1826560, 2003508, 2054880, 2226120, 2374528, 2465856, 2504385, 2671344, 2739840, 2968160, 3082320, 3287808, 3339180, 3561792, 4007016, 4109760, 4452240, 4749056, 4931712, 5008770, 5342688, 5479680, 5936320, 6164640, 6678360, 7123584, 8014032, 8219520, 8904480, 9863424, 10017540, 10685376, 11872640, 12329280, 13356720, 14247168, 16028064, 16439040, 17808960, 20035080, 21370752, 23745280, 24658560, 26713440, 32056128, 35617920, 40070160, 42741504, 49317120, 53426880, 64112256, 71235840, 80140320, 106853760, 128224512, 160280640, 213707520, 320561280, 641122560]

約数ペア:

[(1, 641122560), (2, 320561280), (3, 213707520), (4, 160280640), (5, 128224512), (6, 106853760), (8, 80140320), (9, 71235840), (10, 64112256), (12, 53426880), (13, 49317120), (15, 42741504), (16, 40070160), (18, 35617920), (20, 32056128), (24, 26713440), (26, 24658560), (27, 23745280), (30, 21370752), (32, 20035080), (36, 17808960), (39, 16439040), (40, 16028064), (45, 14247168), (48, 13356720), (52, 12329280), (54, 11872640), (60, 10685376), (64, 10017540), (65, 9863424), (72, 8904480), (78, 8219520), (80, 8014032), (90, 7123584), (96, 6678360), (104, 6164640), (108, 5936320), (117, 5479680), (120, 5342688), (128, 5008770), (130, 4931712), (135, 4749056), (144, 4452240), (156, 4109760), (160, 4007016), (180, 3561792), (192, 3339180), (195, 3287808), (208, 3082320), (216, 2968160), (234, 2739840), (240, 2671344), (256, 2504385), (260, 2465856), (270, 2374528), (288, 2226120), (312, 2054880), (320, 2003508), (351, 1826560), (360, 1780896), (384, 1669590), (390, 1643904), (416, 1541160), (432, 1484080), (468, 1369920), (480, 1335672), (520, 1232928), (540, 1187264), (576, 1113060), (585, 1095936), (624, 1027440), (640, 1001754), (702, 913280), (720, 890448), (768, 834795), (780, 821952), (832, 770580), (864, 742040), (936, 684960), (960, 667836), (1040, 616464), (1080, 593632), (1152, 556530), (1170, 547968), (1248, 513720), (1280, 500877), (1404, 456640), (1427, 449280), (1440, 445224), (1560, 410976), (1664, 385290), (1728, 371020), (1755, 365312), (1872, 342480), (1920, 333918), (2080, 308232), (2160, 296816), (2304, 278265), (2340, 273984), (2496, 256860), (2808, 228320), (2854, 224640), (2880, 222612), (3120, 205488), (3328, 192645), (3456, 185510), (3510, 182656), (3744, 171240), (3840, 166959), (4160, 154116), (4281, 149760), (4320, 148408), (4680, 136992), (4992, 128430), (5616, 114160), (5708, 112320), (5760, 111306), (6240, 102744), (6912, 92755), (7020, 91328), (7135, 89856), (7488, 85620), (8320, 77058), (8562, 74880), (8640, 74204), (9360, 68496), (9984, 64215), (11232, 57080), (11416, 56160), (11520, 55653), (12480, 51372), (12843, 49920), (14040, 45664), (14270, 44928), (14976, 42810), (16640, 38529), (17124, 37440), (17280, 37102), (18551, 34560), (18720, 34248), (21405, 29952), (22464, 28540), (22832, 28080), (24960, 25686)]