128121408

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 168

約数和(自身を含む): 404164800

約数和(自身を除く): 276043392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 64, 69, 72, 76, 92, 96, 114, 138, 144, 152, 171, 184, 192, 207, 228, 276, 288, 304, 342, 368, 414, 437, 456, 509, 552, 576, 608, 684, 736, 828, 874, 912, 1018, 1104, 1216, 1311, 1368, 1472, 1527, 1656, 1748, 1824, 2036, 2208, 2622, 2736, 3054, 3312, 3496, 3648, 3933, 4072, 4416, 4581, 5244, 5472, 6108, 6624, 6992, 7866, 8144, 9162, 9671, 10488, 10944, 11707, 12216, 13248, 13984, 15732, 16288, 18324, 19342, 20976, 23414, 24432, 27968, 29013, 31464, 32576, 35121, 36648, 38684, 41952, 46828, 48864, 58026, 62928, 70242, 73296, 77368, 83904, 87039, 93656, 97728, 105363, 116052, 125856, 140484, 146592, 154736, 174078, 187312, 210726, 222433, 232104, 251712, 280968, 293184, 309472, 348156, 374624, 421452, 444866, 464208, 561936, 618944, 667299, 696312, 749248, 842904, 889732, 928416, 1123872, 1334598, 1392624, 1685808, 1779464, 1856832, 2001897, 2247744, 2669196, 2785248, 3371616, 3558928, 4003794, 5338392, 5570496, 6743232, 7117856, 8007588, 10676784, 14235712, 16015176, 21353568, 32030352, 42707136, 64060704, 128121408]

約数ペア:

[(1, 128121408), (2, 64060704), (3, 42707136), (4, 32030352), (6, 21353568), (8, 16015176), (9, 14235712), (12, 10676784), (16, 8007588), (18, 7117856), (19, 6743232), (23, 5570496), (24, 5338392), (32, 4003794), (36, 3558928), (38, 3371616), (46, 2785248), (48, 2669196), (57, 2247744), (64, 2001897), (69, 1856832), (72, 1779464), (76, 1685808), (92, 1392624), (96, 1334598), (114, 1123872), (138, 928416), (144, 889732), (152, 842904), (171, 749248), (184, 696312), (192, 667299), (207, 618944), (228, 561936), (276, 464208), (288, 444866), (304, 421452), (342, 374624), (368, 348156), (414, 309472), (437, 293184), (456, 280968), (509, 251712), (552, 232104), (576, 222433), (608, 210726), (684, 187312), (736, 174078), (828, 154736), (874, 146592), (912, 140484), (1018, 125856), (1104, 116052), (1216, 105363), (1311, 97728), (1368, 93656), (1472, 87039), (1527, 83904), (1656, 77368), (1748, 73296), (1824, 70242), (2036, 62928), (2208, 58026), (2622, 48864), (2736, 46828), (3054, 41952), (3312, 38684), (3496, 36648), (3648, 35121), (3933, 32576), (4072, 31464), (4416, 29013), (4581, 27968), (5244, 24432), (5472, 23414), (6108, 20976), (6624, 19342), (6992, 18324), (7866, 16288), (8144, 15732), (9162, 13984), (9671, 13248), (10488, 12216), (10944, 11707)]