205654680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2473}}^1$

素因数の和:2511

約数の個数: 256

約数和(自身を含む): 855014400

約数和(自身を除く): 649359720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2473, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 4946, 5544, 5940, 6930, 7419, 7560, 8316, 9240, 9892, 10395, 11880, 12365, 13860, 14838, 16632, 17311, 19784, 20790, 22257, 24730, 27203, 27720, 29676, 34622, 37095, 41580, 44514, 49460, 51933, 54406, 59352, 66771, 69244, 74190, 81609, 83160, 86555, 89028, 98920, 103866, 108812, 111285, 133542, 136015, 138488, 148380, 155799, 163218, 173110, 178056, 190421, 207732, 217624, 222570, 244827, 259665, 267084, 272030, 296760, 311598, 326436, 333855, 346220, 380842, 408045, 415464, 445140, 467397, 489654, 519330, 534168, 544060, 571263, 623196, 652872, 667710, 692440, 734481, 761684, 778995, 816090, 890280, 934794, 952105, 979308, 1038660, 1088120, 1142526, 1224135, 1246392, 1335420, 1468962, 1523368, 1557990, 1632180, 1713789, 1869588, 1904210, 1958616, 2077320, 2285052, 2336985, 2448270, 2670840, 2856315, 2937924, 3115980, 3264360, 3427578, 3672405, 3739176, 3808420, 4570104, 4673970, 4896540, 5141367, 5712630, 5875848, 6231960, 6855156, 7344810, 7616840, 8568945, 9347940, 9793080, 10282734, 11425260, 13710312, 14689620, 17137890, 18695880, 20565468, 22850520, 25706835, 29379240, 34275780, 41130936, 51413670, 68551560, 102827340, 205654680]

約数ペア:

[(1, 205654680), (2, 102827340), (3, 68551560), (4, 51413670), (5, 41130936), (6, 34275780), (7, 29379240), (8, 25706835), (9, 22850520), (10, 20565468), (11, 18695880), (12, 17137890), (14, 14689620), (15, 13710312), (18, 11425260), (20, 10282734), (21, 9793080), (22, 9347940), (24, 8568945), (27, 7616840), (28, 7344810), (30, 6855156), (33, 6231960), (35, 5875848), (36, 5712630), (40, 5141367), (42, 4896540), (44, 4673970), (45, 4570104), (54, 3808420), (55, 3739176), (56, 3672405), (60, 3427578), (63, 3264360), (66, 3115980), (70, 2937924), (72, 2856315), (77, 2670840), (84, 2448270), (88, 2336985), (90, 2285052), (99, 2077320), (105, 1958616), (108, 1904210), (110, 1869588), (120, 1713789), (126, 1632180), (132, 1557990), (135, 1523368), (140, 1468962), (154, 1335420), (165, 1246392), (168, 1224135), (180, 1142526), (189, 1088120), (198, 1038660), (210, 979308), (216, 952105), (220, 934794), (231, 890280), (252, 816090), (264, 778995), (270, 761684), (280, 734481), (297, 692440), (308, 667710), (315, 652872), (330, 623196), (360, 571263), (378, 544060), (385, 534168), (396, 519330), (420, 489654), (440, 467397), (462, 445140), (495, 415464), (504, 408045), (540, 380842), (594, 346220), (616, 333855), (630, 326436), (660, 311598), (693, 296760), (756, 272030), (770, 267084), (792, 259665), (840, 244827), (924, 222570), (945, 217624), (990, 207732), (1080, 190421), (1155, 178056), (1188, 173110), (1260, 163218), (1320, 155799), (1386, 148380), (1485, 138488), (1512, 136015), (1540, 133542), (1848, 111285), (1890, 108812), (1980, 103866), (2079, 98920), (2310, 89028), (2376, 86555), (2473, 83160), (2520, 81609), (2772, 74190), (2970, 69244), (3080, 66771), (3465, 59352), (3780, 54406), (3960, 51933), (4158, 49460), (4620, 44514), (4946, 41580), (5544, 37095), (5940, 34622), (6930, 29676), (7419, 27720), (7560, 27203), (8316, 24730), (9240, 22257), (9892, 20790), (10395, 19784), (11880, 17311), (12365, 16632), (13860, 14838)]