256510464

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{23857}}^1$

素因数の和:23885

約数の個数: 80

約数和(自身を含む): 781015488

約数和(自身を除く): 524505024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 23857, 47714, 71571, 95428, 143142, 166999, 190856, 286284, 333998, 381712, 500997, 572568, 667996, 763424, 1001994, 1145136, 1335992, 1526848, 2003988, 2290272, 2671984, 3053696, 4007976, 4580544, 5343968, 6107392, 8015952, 9161088, 10687936, 12214784, 16031904, 18322176, 21375872, 32063808, 36644352, 42751744, 64127616, 85503488, 128255232, 256510464]

約数ペア:

[(1, 256510464), (2, 128255232), (3, 85503488), (4, 64127616), (6, 42751744), (7, 36644352), (8, 32063808), (12, 21375872), (14, 18322176), (16, 16031904), (21, 12214784), (24, 10687936), (28, 9161088), (32, 8015952), (42, 6107392), (48, 5343968), (56, 4580544), (64, 4007976), (84, 3053696), (96, 2671984), (112, 2290272), (128, 2003988), (168, 1526848), (192, 1335992), (224, 1145136), (256, 1001994), (336, 763424), (384, 667996), (448, 572568), (512, 500997), (672, 381712), (768, 333998), (896, 286284), (1344, 190856), (1536, 166999), (1792, 143142), (2688, 95428), (3584, 71571), (5376, 47714), (10752, 23857)]