1279725696

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19489}}^1$

素因数の和:19531

約数の個数: 128

約数和(自身を含む): 3975960000

約数和(自身を除く): 2696234304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 4104, 5472, 7296, 8208, 10944, 16416, 19489, 21888, 32832, 38978, 58467, 65664, 77956, 116934, 155912, 175401, 233868, 311824, 350802, 370291, 467736, 526203, 623648, 701604, 740582, 935472, 1052406, 1110873, 1247296, 1403208, 1481164, 1870944, 2104812, 2221746, 2494592, 2806416, 2962328, 3332619, 3741888, 4209624, 4443492, 5612832, 5924656, 6665238, 7483776, 8419248, 8886984, 9997857, 11225664, 11849312, 13330476, 16838496, 17773968, 19995714, 22451328, 23698624, 26660952, 33676992, 35547936, 39991428, 47397248, 53321904, 67353984, 71095872, 79982856, 106643808, 142191744, 159965712, 213287616, 319931424, 426575232, 639862848, 1279725696]

約数ペア:

[(1, 1279725696), (2, 639862848), (3, 426575232), (4, 319931424), (6, 213287616), (8, 159965712), (9, 142191744), (12, 106643808), (16, 79982856), (18, 71095872), (19, 67353984), (24, 53321904), (27, 47397248), (32, 39991428), (36, 35547936), (38, 33676992), (48, 26660952), (54, 23698624), (57, 22451328), (64, 19995714), (72, 17773968), (76, 16838496), (96, 13330476), (108, 11849312), (114, 11225664), (128, 9997857), (144, 8886984), (152, 8419248), (171, 7483776), (192, 6665238), (216, 5924656), (228, 5612832), (288, 4443492), (304, 4209624), (342, 3741888), (384, 3332619), (432, 2962328), (456, 2806416), (513, 2494592), (576, 2221746), (608, 2104812), (684, 1870944), (864, 1481164), (912, 1403208), (1026, 1247296), (1152, 1110873), (1216, 1052406), (1368, 935472), (1728, 740582), (1824, 701604), (2052, 623648), (2432, 526203), (2736, 467736), (3456, 370291), (3648, 350802), (4104, 311824), (5472, 233868), (7296, 175401), (8208, 155912), (10944, 116934), (16416, 77956), (19489, 65664), (21888, 58467), (32832, 38978)]