257935266880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:1117

約数の個数: 224

約数和(自身を含む): 641455257600

約数和(自身を除く): 383519990720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 193, 199, 248, 310, 320, 386, 398, 496, 620, 677, 772, 796, 965, 992, 995, 1240, 1354, 1544, 1592, 1930, 1984, 1990, 2480, 2708, 3088, 3184, 3385, 3860, 3980, 4960, 5416, 5983, 6169, 6176, 6368, 6770, 7720, 7960, 9920, 10832, 11966, 12338, 12352, 12736, 13540, 15440, 15920, 20987, 21664, 23932, 24676, 27080, 29915, 30845, 30880, 31840, 38407, 41974, 43328, 47864, 49352, 54160, 59830, 61690, 61760, 63680, 76814, 83948, 95728, 98704, 104935, 108320, 119660, 123380, 130661, 134723, 153628, 167896, 191456, 192035, 197408, 209870, 216640, 239320, 246760, 261322, 269446, 307256, 335792, 382912, 384070, 394816, 419740, 478640, 493520, 522644, 538892, 614512, 653305, 671584, 673615, 768140, 839480, 957280, 987040, 1045288, 1077784, 1190617, 1229024, 1306610, 1343168, 1347230, 1536280, 1678960, 1914560, 1974080, 2090576, 2155568, 2381234, 2458048, 2613220, 2694460, 3072560, 3357920, 4050491, 4176413, 4181152, 4311136, 4762468, 5226440, 5388920, 5953085, 6145120, 6715840, 8100982, 8352826, 8362304, 8622272, 9524936, 10452880, 10777840, 11906170, 12290240, 16201964, 16705652, 19049872, 20252455, 20882065, 20905760, 21555680, 23812340, 26001539, 32403928, 33411304, 38099744, 40504910, 41764130, 41811520, 43111360, 47624680, 52003078, 64807856, 66822608, 76199488, 81009820, 83528260, 95249360, 104006156, 129615712, 130007695, 133645216, 162019640, 167056520, 190498720, 208012312, 259231424, 260015390, 267290432, 324039280, 334113040, 380997440, 416024624, 520030780, 648078560, 668226080, 806047709, 832049248, 1040061560, 1296157120, 1336452160, 1612095418, 1664098496, 2080123120, 3224190836, 4030238545, 4160246240, 6448381672, 8060477090, 8320492480, 12896763344, 16120954180, 25793526688, 32241908360, 51587053376, 64483816720, 128967633440, 257935266880]

約数ペア:

[(1, 257935266880), (2, 128967633440), (4, 64483816720), (5, 51587053376), (8, 32241908360), (10, 25793526688), (16, 16120954180), (20, 12896763344), (31, 8320492480), (32, 8060477090), (40, 6448381672), (62, 4160246240), (64, 4030238545), (80, 3224190836), (124, 2080123120), (155, 1664098496), (160, 1612095418), (193, 1336452160), (199, 1296157120), (248, 1040061560), (310, 832049248), (320, 806047709), (386, 668226080), (398, 648078560), (496, 520030780), (620, 416024624), (677, 380997440), (772, 334113040), (796, 324039280), (965, 267290432), (992, 260015390), (995, 259231424), (1240, 208012312), (1354, 190498720), (1544, 167056520), (1592, 162019640), (1930, 133645216), (1984, 130007695), (1990, 129615712), (2480, 104006156), (2708, 95249360), (3088, 83528260), (3184, 81009820), (3385, 76199488), (3860, 66822608), (3980, 64807856), (4960, 52003078), (5416, 47624680), (5983, 43111360), (6169, 41811520), (6176, 41764130), (6368, 40504910), (6770, 38099744), (7720, 33411304), (7960, 32403928), (9920, 26001539), (10832, 23812340), (11966, 21555680), (12338, 20905760), (12352, 20882065), (12736, 20252455), (13540, 19049872), (15440, 16705652), (15920, 16201964), (20987, 12290240), (21664, 11906170), (23932, 10777840), (24676, 10452880), (27080, 9524936), (29915, 8622272), (30845, 8362304), (30880, 8352826), (31840, 8100982), (38407, 6715840), (41974, 6145120), (43328, 5953085), (47864, 5388920), (49352, 5226440), (54160, 4762468), (59830, 4311136), (61690, 4181152), (61760, 4176413), (63680, 4050491), (76814, 3357920), (83948, 3072560), (95728, 2694460), (98704, 2613220), (104935, 2458048), (108320, 2381234), (119660, 2155568), (123380, 2090576), (130661, 1974080), (134723, 1914560), (153628, 1678960), (167896, 1536280), (191456, 1347230), (192035, 1343168), (197408, 1306610), (209870, 1229024), (216640, 1190617), (239320, 1077784), (246760, 1045288), (261322, 987040), (269446, 957280), (307256, 839480), (335792, 768140), (382912, 673615), (384070, 671584), (394816, 653305), (419740, 614512), (478640, 538892), (493520, 522644)]